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Patent Assignment Assignee Details

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Assignee Name : PITTSBURGH NATIONAL BANK

Total Assignments: 18

Assignment: 1

Reel/Frame:	004458/0765			Pages:	34
		Recorded:	09/24/1985
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

WEAN UNITED, INC., A CORP.OF OH

Exec Dt:

06/10/1985

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3311819	NONE		04284956	3383897	NONE		04398321	3403541	NONE		04442640
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3443805	NONE		04596150	3542994	NONE		04604715	3490256	NONE		04611454
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3516273	NONE		04657870	3433058	NONE		04658780	3496743	NONE		04661987
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4553245	NONE		06507416	4488710	NONE		06529822	4577482	NONE		06621754
4617815	NONE		06685817	4597521	NONE		06703580	4656905	NONE		06719386

Correspondence name and address
	TUCKER ARENSBERG, P.C.
	1200 PITTSBURGH NATIONAL BUILDING
	PITTSBURGH, PA. 15222

Assignment: 2

Reel/Frame:	004792/0307			Pages:	34
		Recorded:	02/26/1987
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

WEAN UNITED, INC., A CORP. OH.

Exec Dt:

06/30/1986

Assignee

PITTSBURGH NATIONAL BANK

PENNSYLVANIA

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3502968	NONE		04547486	3464482	NONE		04567179	3459019	NONE		04576700
3490628	NONE		04584211	3526118	NONE		04596139	3542994	NONE		04604715
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3456819	NONE		04637688	3516273	NONE		04657870	3496743	NONE		04661987
3492848	NONE		04662516	3531960	NONE		04685758	3552174	NONE		04688910
3531968	NONE		04701271	3462094	NONE		04703368	3546912	NONE		04714972
3519267	NONE		04718427	3570356	NONE		04724904	3550249	NONE		04728991
3518863	NONE		04732229	3515327	NONE		04738283	3702554	NONE		04738680
3557438	NONE		04741626	3517833	NONE		04742846	3527425	NONE		04760898
3542990	NONE		04765806	3537665	NONE		04768623	3566653	NONE		04776124
3776484	NONE		04778191	3640344	NONE		04780385	3562479	NONE		04796498
3566675	NONE		04796996	3580032	NONE		04817133	3577758	NONE		04817881
3616669	NONE		04833045	3581613	NONE		04843328	3621693	NONE		04848548
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3670551	NONE		05046360	3695542	NONE		05062476	3763925	NONE		05066518
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3941611	NONE		05520812	3926027	NONE		05549129	3988916	NONE		05559279
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4617815	NONE		06685817	4597521	NONE		06703580	4656905	NONE		06719386
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4680978	NONE		06778319	4724698	NONE		06778520	4680010	NONE		06778522
4722212	NONE		06795577	4638492	NONE		06818441	4674310	NONE		06818838
4820102	NONE		06838277	4771622	NONE		06839037	4730475	NONE		06860054
4735116	NONE		06860101	4747291	NONE		06867081	4793169	NONE		06879369

Correspondence name and address
	TUCKER ARENSBERG, P.C.
	1200 PITTSBURGH NATIONAL BUILDING
	PITTSBURGH, PA. 15222

Assignment: 3

Reel/Frame:	004855/0400			Pages:	39
		Recorded:	03/24/1987
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

ALLEGHENY LUDLUM CORPORATION

Exec Dt:

12/26/1986

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3788836	NONE		04128531	3505125	NONE		04431681	3490956	NONE		04461168
3506557	NONE		04613151	3505062	NONE		04709467	3587266	NONE		04716478
3556873	NONE		04721099	3556871	NONE		04721159	3562029	NONE		04722225
3514840	NONE		04722283	3564882	NONE		04723121	3553992	NONE		04723813
3615354	NONE		04725510	3491437	NONE		04726939	3546818	NONE		04734008
3567430	NONE		04736030	3615365	NONE		04738363	3615898	NONE		04750484
3575829	NONE		04752521	3607455	NONE		04759820	3658514	NONE		04765766
3594155	NONE		04771752	3587276	NONE		04775720	3650731	NONE		04795740
3606289	NONE		04802548	3607237	NONE		04802632	3615904	NONE		04803214
3672037	NONE		04803442	3650729	NONE		04805361	3556745	NONE		04814762
3619179	NONE		04818445	3632034	NONE		04824205	3598660	NONE		04829122
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3613489	NONE		04854349	3562393	NONE		04854355	3565994	NONE		04854361
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4688724	NONE		06734000	4657066	NONE		06750570	4662546	NONE		06760446
4693762	NONE		06763885	4662954	NONE		06765410	4768409	NONE		06787274
4680062	NONE		06803361	4728083	NONE		06809647	4666535	NONE		06852058
4711113	NONE		06873111	4678719	NONE		06876308	4715428	NONE		06876309
4796209	NONE		06878865	4695318	NONE		06917864	4728875	NONE		06921715
4716954	NONE		06922579	4754148	NONE		06939995	4717188	NONE		06947000
4781769	NONE		06947002	3607246	NONE		UNAVAILABLE	3685136	NONE		UNAVAILABLE

Correspondence name and address
	DOW, LOHENS & ALBERTSON
	1255 TWENTY-THIRD STREET
	WASHINGTON, D.C. 20037

Assignment: 4

Reel/Frame:	004974/0184			Pages:	10
		Recorded:	12/01/1988
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

E.G. SMITH CONSTRUCTION PRODUCTS, INC.

Exec Dt:

07/27/1988

Assignee

PITTSBURGH NATIONAL BANK

FIFTH AVENUE AND WOOD STREET

PITTSBURGH, PENNSYLVANIA 15265

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4643080

NONE

06748021

4754582

NONE

07018808

Correspondence name and address
	DOW, LOHNES & ALBERTSON
	1255 TWENTY-THIRD STREET
	WASHINGTON, D.C. 20037

Assignment: 5

Reel/Frame:	004996/0245			Pages:	22
		Recorded:	10/31/1988
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

JOSEPH POLLAK CORPORATION

Exec Dt:

10/12/1988

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3465270	NONE		04651614	3525957	NONE		04730014	3601660	NONE		05023219
3604868	NONE		05059420	3643044	NONE		05118058	4292483	NONE		06125175
D280615	NONE		06464954	D280615	NONE		06464954	4649238	NONE		06803319
4649238	NONE		06803319	4684769	NONE		06904488	4698466	NONE		06904489

Correspondence name and address
	DOW, LOHNES & ALBERTSON
	1255 TWENTY-THIRD STREET
	WASHINGTON, DC 20037

Assignment: 6

Reel/Frame:	005206/0584			Pages:	22
		Recorded:	10/31/1988
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

JOSEPH POLLOCK CORPORATION

Exec Dt:

10/12/1988

Assignee

PITTSBURGH NATIONAL BANK

PITTSBURGH NATIONAL BANK, FIFTH AVENUE AND WOOD ST.

A NATIONAL BANKING ASSOCIATION

PITTSBURGH, PENNSYLVANIA 15265

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3465270	NONE		04651614	3525957	NONE		04730014	3601660	NONE		05023219
3604868	NONE		05059420	3643044	NONE		05118058	4292483	NONE		06125175
D280615	NONE		06464954	4649238	NONE		06803319	4684769	NONE		06904488
4698466	NONE		06904489

Correspondence name and address
	DOW, LOHNES & ALBERTSON
	1255 TWENTY-THIRD ST.
	WASHINGTON, D.C. 20037

Assignment: 7

Reel/Frame:	005004/0152			Pages:	11
		Recorded:	10/31/1988
Conveyance:	RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). RECORDED ON REEL 4792

Assignor

WEAN UNITED INC./NOW WEAN INCORPORATED PA CORP.

Exec Dt:

10/13/1988

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3627099	NONE		04864805	3626737	NONE		04872214	3626735	NONE		04872215
3645046	NONE		04888274	3659446	NONE		05082739	3689829	NONE		05106217
3702912	NONE		05112648	3726124	NONE		05127488	3746187	NONE		05160936
3729144	NONE		05169192	3748430	NONE		05172161	3737114	NONE		05197778
3791538	NONE		05225235	3864878	NONE		05233920	3771215	NONE		05239588
3808978	NONE		05247519	3805947	NONE		05275987	3798953	NONE		05277651
3768296	NONE		05288639	3868065	NONE		05290690	3820775	NONE		05297117
3839888	NONE		05304182	3870851	NONE		05343478	3835685	NONE		05359153
3818745	NONE		05360483	3867828	NONE		05361379	3834208	NONE		05364172
3888168	NONE		05367051	3845649	NONE		05370616	3842638	NONE		05371194
3816695	NONE		05384797	3848525	NONE		05393237	3909579	NONE		05400856
3909578	NONE		05400857	3862728	NONE		05403581	3912143	NONE		05405250
3901635	NONE		05440921	3915315	NONE		05461771	3890821	NONE		05472250
4084075	NONE		05577688	4036572	NONE		05699116	4094619	NONE		05716329
4019846	NONE		05728500	4237723	NONE		05737644	4154081	NONE		05817959
4165627	NONE		05822575	4204413	NONE		05849191	4215806	NONE		05879417
4244205	NONE		05899953	4222694	NONE		05933354	4242895	NONE		05943252
4275578	NONE		06036920	4280671	NONE		06153648	4383162	NONE		06157896
4329864	NONE		06176956	4396451	NONE		06329353	4505771	NONE		06386504
4445354	NONE		06400788	4577483	NONE		06575607	4537407	NONE		06584372
4597521	NONE		06703580	4820102	NONE		06838277

Correspondence name and address
	DAVID V. RADACK-WEAN INC.
	600 GRANT STR., 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 8

Reel/Frame:	005018/0050			Pages:	53
		Recorded:	01/03/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST. RECORDED ON REEL 4855 FRAME 0400

Assignor

PITTSBURGH NATIONAL BANK

Exec Dt:

11/29/1988

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3788836	NONE		04128531	3505125	NONE		04431681	3490956	NONE		04461168
3506557	NONE		04613151	3505062	NONE		04709467	3587266	NONE		04716478
3556873	NONE		04721099	3556871	NONE		04721159	3562029	NONE		04722225
3514840	NONE		04722283	3564882	NONE		04723121	3553992	NONE		04723813
3615354	NONE		04725510	3491437	NONE		04726939	3546818	NONE		04734008
3567430	NONE		04736030	3615365	NONE		04738363	3615898	NONE		04750484
3575829	NONE		04752521	3607455	NONE		04759820	3658514	NONE		04765766
3594155	NONE		04771752	3587276	NONE		04775720	3650731	NONE		04795740
3607237	NONE		04802632	3615904	NONE		04803214	3672037	NONE		04803442
3650729	NONE		04805361	3556745	NONE		04814762	3619179	NONE		04818445
3632034	NONE		04824205	3598660	NONE		04829122	3507642	NONE		04829630
3622409	NONE		04829783	3888659	NONE		04834477	3566000	NONE		04835050
3629760	NONE		04849610	3649246	NONE		04854226	3613489	NONE		04854349
3562393	NONE		04854355	3565994	NONE		04854361	3637354	NONE		04860541
3610601	NONE		04862678	3622769	NONE		04862717	3694326	NONE		04873227
3654042	NONE		05000175	3693242	NONE		05000177	3658587	NONE		05000436
3658603	NONE		05000437	3700429	NONE		05000751	3606288	NONE		05007721
3649258	NONE		05015703	3666439	NONE		05015914	3680343	NONE		05016838
3642564	NONE		05017275	3663312	NONE		05017487	3662997	NONE		05021735
3643045	NONE		05031457	3636743	NONE		05046320	3695944	NONE		05047126
3719469	NONE		05057090	3645520	NONE		05059267	3649893	NONE		05062843
3741557	NONE		05063650	3740215	NONE		05066641	3703419	NONE		05068789
3725041	NONE		05075738	3816100	NONE		05076592	3716354	NONE		05086358
3656535	NONE		05087335	3629664	NONE		05088624	3754895	NONE		05110324
3677073	NONE		05110325	3713903	NONE		05115363	3737252	NONE		05117895
3716649	NONE		05124788	3687187	NONE		05124980	3681152	NONE		05128161
3729124	NONE		05131203	3716691	NONE		05137957	3756868	NONE		05140084
3748122	NONE		05140085	3753187	NONE		05145484	3753186	NONE		05145561
3734385	NONE		05152317	3734384	NONE		05152318	3769687	NONE		05152319
3791813	NONE		05161040	3804678	NONE		05163084	3724302	NONE		05167525
3780581	NONE		05172697	3765248	NONE		05175990	3778221	NONE		05181504
3804615	NONE		05196180	3778235	NONE		05200504	3704118	NONE		05212702
3798025	NONE		05213528	3716763	NONE		05213585	3841385	NONE		05230797
3770517	NONE		05232212	3788112	NONE		05233783	3785857	NONE		05237492
3798074	NONE		05237557	3830634	NONE		05239146	3843422	NONE		05239538
3759311	NONE		05241082	3820980	NONE		05251637	3795971	NONE		05258138
3832160	NONE		05272878	3862484	NONE		05284854	3854891	NONE		05292062
3854938	NONE		05298055	3816104	NONE		05307661	3850703	NONE		05350657
3907551	NONE		05355394	3833208	NONE		05357420	3855018	NONE		05357969
3855019	NONE		05357973	3855020	NONE		05357974	3855021	NONE		05358238
3854932	NONE		05370904	3866301	NONE		05374702	3867134	NONE		05399570
3929470	NONE		05399589	3834685	NONE		05400089	RE28149	NONE		05402510
3847599	NONE		05403347	3880654	NONE		05419576	3936297	NONE		05430853
3880649	NONE		05432387	3899733	NONE		05447801	3953201	NONE		05449177
3956809	NONE		05465781	3943010	NONE		05478482	3944396	NONE		05492127
3969162	NONE		05493531	3954521	NONE		05498798	3876819	NONE		05499736
3938990	NONE		05503224	3925115	NONE		05524831	3929522	NONE		05524846
3930786	NONE		05528184	3985586	NONE		05535744	3985587	NONE		05535765
3936323	NONE		05540366	3964989	NONE		05540379	3980444	NONE		05542986
3983990	NONE		05550951	4000373	NONE		05552460	4006012	NONE		05562619
4007038	NONE		05571460	4000015	NONE		05577571	4032366	NONE		05580449
3997373	NONE		05586197	3953194	NONE		05588566	3976517	NONE		05590222
3999955	NONE		05596039	3948615	NONE		05599459	3948685	NONE		05599460
4010050	NONE		05611060	4114251	NONE		05615330	4028094	NONE		05626945
4010042	NONE		05649382	4069008	NONE		05668570	4025749	NONE		05670287
4054448	NONE		05671210	4047941	NONE		05671901	4012299	NONE		05672585
4026777	NONE		05672586	4049372	NONE		05683103	4043839	NONE		05689402
4054170	NONE		05696239	4054471	NONE		05696964	4030950	NONE		05696966
4102713	NONE		05696967	4078952	NONE		05696969	4054470	NONE		05696970
4014680	NONE		05699827	4059218	NONE		05699832	4060191	NONE		05699833
4079312	NONE		05715098	4043838	NONE		05730400	4055062	NONE		05730401
4171994	NONE		05743876	4099966	NONE		05746968	4102677	NONE		05746972
4086731	NONE		05758256	4090551	NONE		05760203	4078942	NONE		05761170
4066521	NONE		05767177	4093472	NONE		05769496	4119109	NONE		05769497
4115160	NONE		05807092	4152179	NONE		05810132	4115161	NONE		05841402
4147506	NONE		05842183	4245261	NONE		05852136	4165868	NONE		05855093
4179315	NONE		05868956	4138273	NONE		05881202	4175921	NONE		05881203
4160677	NONE		05881967	4200477	NONE		05887098	4157925	NONE		05895678
4167426	NONE		05898010	4161399	NONE		05904165	4161398	NONE		05904166
4211042	NONE		05972557	4217136	NONE		06006714	4217150	NONE		06006716
4238122	NONE		06019796	4213804	NONE		06021513	4244757	NONE		06041138
4231818	NONE		06041341	4291558	NONE		06061323	4286986	NONE		06062821
4315776	NONE		06069010	4260418	NONE		06071822	4277530	NONE		06073812
4367100	NONE		06085094	4260415	NONE		06102607	4277374	NONE		06115816
4297132	NONE		06124002	4360774	NONE		06137868	4337101	NONE		06179405
4330025	NONE		06185825	4366971	NONE		06188179	4302658	NONE		06191972
4399860	NONE		06193766	4409296	NONE		06199149	4415527	NONE		06217292
4381660	NONE		06232756	6296948	NONE		06235064	4363709	NONE		06238896
4492849	NONE		06267176	4375371	NONE		06273128	4411714	NONE		06295590
4417921	NONE		06322126	4414023	NONE		06367710	4450206	NONE		06382823
4456483	NONE		06386362	4456482	NONE		06386464	4488590	NONE		06397717
4461811	NONE		06402386	4410359	NONE		06414546	4525620	NONE		06418315
6277212	NONE		06425143	4450208	NONE		06431506	4524996	NONE		06434652
4516736	NONE		06440151	4415415	NONE		06444128	4402769	NONE		06448868
4485839	NONE		06459854	4482397	NONE		06475425	4484996	NONE		06476185
4518101	NONE		06478575	4489901	NONE		06495369	4462824	NONE		06504191
4450058	NONE		06518500	4501316	NONE		06528289	4529176	NONE		06544753
4475583	NONE		06545115	4533391	NONE		06549700	4482401	NONE		06551515
4608100	NONE		06553731	4548655	NONE		06554410	4477279	NONE		06555114
4503089	NONE		06576234	4581073	NONE		06598640	4529442	NONE		06604097
4514220	NONE		06604098	4529443	NONE		06604099	4582547	NONE		06607889
4545826	NONE		06625928	4576300	NONE		06627377	4568387	NONE		06627378
4661169	NONE		06641128	4533409	NONE		06683839	4533409	NONE		06683839
4615730	NONE		06729002	4688724	NONE		06734000	4657066	NONE		06750570
4662546	NONE		06760446	4693762	NONE		06763885	4662954	NONE		06765410
4768409	NONE		06787274	4680062	NONE		06803361	4728083	NONE		06809647
4666535	NONE		06852058	4711113	NONE		06873111	4678719	NONE		06876308
4715428	NONE		06876309	4796209	NONE		06878865	4695318	NONE		06917864
4728875	NONE		06921715	4716954	NONE		06922579	4754148	NONE		06939995
4717188	NONE		06947000	4781769	NONE		06947002	4166810	NONE		UNAVAILABLE
3636289	NONE		UNAVAILABLE

Correspondence name and address
	TUCKER ARENSBERG, P.C.
	1200 PITTSBURGH NATIONAL BUILDING
	PITTSBURGH, PENNSYLVANIA 15222

Assignment: 9

Reel/Frame:	005388/0602			Pages:	6
		Recorded:	07/31/1990
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

SPECTRUM CONTROL, INC., A CORP. OF PA

Exec Dt:

06/28/1990

SPECTRUM CONTROL, INC., A CORP. OF DE

Exec Dt:

06/28/1990

Assignees

MARINE BANK

A STATE BANK OF PA

PITTSBURGH, PENNSYLVANIA

PITTSBURGH NATIONAL BANK

A NATIONAL BANKING OF PA

PITTSBURGH, PENNSYLVANIA

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4247737	NONE		06024894	4516815	NONE		06386037	4490774	NONE		06562871
4513349	NONE		06562872	4499520	NONE		06562873	4533710	NONE		06562893
4515931	NONE		06562894	4647818	NONE		06600674	4584628	NONE		06625335
4586111	NONE		06636638	4618911	NONE		06672528	4613518	NONE		06691025
4682565	NONE		06820572	4722515	NONE		06850427	4696719	NONE		06900241
4842893	NONE		07188036	4864256	NONE		07243335

Correspondence name and address
	DEBORAH J. BECK
	TUCKER ARENSBERG, P.C.
	1200 PITTSBURGH NATIONAL BUILDING
	PITTSBURGH, PA 15222

Assignment: 10

Reel/Frame:	005437/0746			Pages:	13
		Recorded:	08/24/1990
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

CBC ACQUISITION CORPORATION, A CORP. OF DE.

Exec Dt:

08/24/1990

Assignee

PITTSBURGH NATIONAL BANK

FIFTH AVENUE & WOOD STREET

PITTSBURGH, PENNSYLVANIA 15265

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3939297	NONE		05422858	3919906	NONE		05463771	3886831	NONE		05463772
3941360	NONE		05532854	4131453	NONE		05825641	4149945	NONE		05895919

Correspondence name and address
	MICHAEL L. DEVER
	BUCHANAN INGERSOLL
	56TH FLOOR, 600 GRANT STREET
	PITTSBURGH, PA. 15219

Assignment: 11

Reel/Frame:	005566/0012			Pages:	25
		Recorded:	12/11/1990
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

GMI HOLDINGS, INC., A CORP OF DE

Exec Dt:

09/14/1990

Assignee

PITTSBURGH NATIONAL BANK

FIFTH AVENUE AND WOOD STREET

PITTSBURGH, PENNSYLVANIA 15265

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3719005	NONE		05217605	3851125	NONE		05418545	3959756	NONE		05517046
4041259	NONE		05636079	4070555	NONE		05636080	4048630	NONE		05651536
4119896	NONE		05690984	4357564	NONE		06027998	4319102	NONE		06111690
4352585	NONE		06127760	4307271	NONE		06154509	4414778	NONE		06253689
4520684	NONE		06463591	4643701	NONE		06772567	4638730	NONE		06784317
4845793	NONE		07136342	D304251	NONE		07136642	4922168	NONE		07346230
D339432	NONE		07491481

Correspondence name and address
	MICHAEL L. DEVER
	BUCHANAN INGERSOLL, P.C.
	56TH FLOOR
	600 GRANT STREET
	PITTSBURGH, PA 15219

Assignment: 12

Reel/Frame:	005556/0142			Pages:	27
		Recorded:	12/14/1990
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

TOTAL-PAC, INC., A CORP. OF PENNSYLVANIA

Exec Dt:

12/05/1990

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

3968823

NONE

05633241

4560069

NONE

06729810

4664273

NONE

06857638

4727998

NONE

07018285

4880119

NONE

07210865

Correspondence name and address
	LYNN J. ALSTADT
	BUCHANAN INGERSOLL, P.C.
	56TH FLOOR - 600 GRANT STREET
	PITTSBURGH, PENNSYLVANIA 15219

Assignment: 13

Reel/Frame:	006027/0426			Pages:	21
		Recorded:	02/10/1992
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

DRAVO LIME COMPANY, A DE CORP.

Exec Dt:

01/21/1992

Assignees

FIRST ALABAMA BANK

CONTINENTAL BANK N.A.

PITTSBURGH NATIONAL BANK

PRUDENTIAL INSURANCE COMPANY OF AMERICA

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3855391	NONE		05326020	3859799	NONE		05326025	3920795	NONE		05339151
3919393	NONE		05339426	3919394	NONE		05359777	3914378	NONE		05450752
4015997	NONE		05598117	4164549	NONE		05873280	4626418	NONE		06780416
4779992	NONE		07057798	5039499	NONE		07188254	4976936	NONE		07395667
4996032	NONE		07454271	4976937	NONE		07462083	5082639	NONE		07610151
5084255	NONE		07675418	5200160	NONE		07751754

Correspondence name and address
	ALSTON & BIRD
	ONE ATLANTIC CENTER
	1201 WEST PEACHTREE STREET
	ATLANTA, GA 30309-3424

Assignment: 14

Reel/Frame:	006027/0035			Pages:	17
		Recorded:	02/21/1992
Conveyance:	TO AMEND THE TERMS AND OBLIGATIONS OF A SECURITY AGREEMENT DATED FEB. 7, 1992. (SEE RECORD FOR DETAILS.)

Assignor

JOSEPH POLLAK CORPORATION, A DE CORPORATION

Exec Dt:

02/07/1992

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3601660	NONE		05023219	3604868	NONE		05059420	3643044	NONE		05118058
4292483	NONE		06125175	D280615	NONE		06464954	4649238	NONE		06803319
4684769	NONE		06904488	4698466	NONE		06904489

Correspondence name and address
	CALFEE, HALTER & GRISWOLD
	ATTN: JEANNE E. LONGMUIR
	1800 SOCIETY BUILDING
	EAST NINTH & SUPERIOR
	CLEVELAND, OH 44114-2688

Assignment: 15

Reel/Frame:	006276/0547			Pages:	10
		Recorded:	09/21/1992
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

CARBON/GRAPHITE GROUP, INC. A CORP. OF DE

Exec Dt:

04/21/1992

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4100314

NONE

05782598

4208149

NONE

05954948

4528031

NONE

06621009

4645130

NONE

06764156

4753676

NONE

07099046

4892788

NONE

07173957

4978567

NONE

07175707

3976496

NONE

UNAVAILABLE

3798043

NONE

UNAVAILABLE

3706596

NONE

UNAVAILABLE

3658476

NONE

UNAVAILABLE

3646240

NONE

UNAVAILABLE

3642962

NONE

UNAVAILABLE

4007324

NONE

UNAVAILABLE

Correspondence name and address
	LINDA S. AMOROSO
	BUCHANAN INGERSOLL, P.C.
	56TH FLOOR, 600 GRANT STREET
	PITTSBURGH, PA. 15219

Assignment: 16

Reel/Frame:	006148/0462			Pages:	11
		Recorded:	05/29/1992
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

AMG RESOURCES CORPORATION, A DELAWARE CORP.

Exec Dt:

05/22/1992

Assignee

PITTSBURGH NATIONAL BANK

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4941619

NONE

06739762

5002232

NONE

07480655

Correspondence name and address
	STEPHEN B. LIFTMAN
	SIMON & SCHUSTER BUSINESS & PROFESSIONAL
	GROUP - SUITE 430
	1090 VERMONT AVENUE
	WASHINGTON, D.C. 20005

Assignment: 17

Reel/Frame:	006585/0842			Pages:	12
		Recorded:	06/17/1993
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

FLXIBLE CORPORATION, THE

Exec Dt:

07/15/1992

Assignee

PITTSBURGH NATIONAL BANK

PITTSBURGH, PA

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4206934	NONE		05932957	4238128	NONE		05940281	4257150	NONE		05957306
4231556	NONE		05958158	4257158	NONE		06024506	4272015	NONE		06044005