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Patent Assignment Assignor Details

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Assignor Name : DRAVO CORPORATION

Total Assignments: 9

Assignment: 1

Reel/Frame:	003930/0481			Pages:	3
		Recorded:	11/30/1981
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

DRAVO CORPORATION

Exec Dt:

07/07/1971

Assignee

CTI-NUCLEAR, INC., (FORMERLY MCDOWELL-WELLMAN COMPANY)

1922 EAST 107TH STREET

A CORP. OF OH.

CLEVELAND, OHIO 44106

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4111755

NONE

05763226

4259085

NONE

05898798

4274836

NONE

06031992

Correspondence name and address
	HAMILTON, BROOK, ET AL
	2 MILITIA DR.
	LEXINGTON, MA. 02173

Assignment: 2

Reel/Frame:	004977/0506			Pages:	5
		Recorded:	11/14/1988
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

DRAVO CORPORATION

Exec Dt:

09/02/1988

Assignee

DRAVO LIME COMPANY, A CORP. OF DE

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	3914318	NONE		05363704
3914378	NONE		05450752	3914378	NONE		05450752	4015997	NONE		05598117
4164549	NONE		05873280	4626418	NONE		06780416

Correspondence name and address
	PARMELEE, MILLER, WELSH & KRATZ, P.C.
	SUITE 721
	301 FIFTH AVENUE BUILDING
	PITTSBURGH, PA 1522-2464

Assignment: 3

Reel/Frame:	004997/0241			Pages:	49
		Recorded:	12/23/1988
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

DRAVO CORPORATION

Exec Dt:

09/27/1988

Assignee

DRAVO ENGINEERING COMPANIES, INC., A CORP. OF DE

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3325395	NONE		04449022	3609986	NONE		04698635	3669623	NONE		04870697
3620519	NONE		04879491	3776533	NONE		05006433	3635456	NONE		05033002
3746626	NONE		05037120	3668077	NONE		05047713	3746325	NONE		05094101
3753683	NONE		05101990	3679071	NONE		05113984	3792067	NONE		05151887
3782920	NONE		05169508	3732064	NONE		05170590	3746537	NONE		05175597
3787192	NONE		05231354	3849115	NONE		05237660	3756584	NONE		05262925
3802095	NONE		05285828	3841865	NONE		05286451	3909189	NONE		05303953
3847562	NONE		05322738	3849113	NONE		05369169	3966982	NONE		05371148
3908970	NONE		05387017	3886048	NONE		05389338	3870010	NONE		05394200
3868246	NONE		05403919	3914364	NONE		05428881	3894344	NONE		05435433
3889933	NONE		05446688	3889391	NONE		05446715	3929219	NONE		05455415
3938987	NONE		05460125	3973762	NONE		05470914	3959084	NONE		05509079
3970764	NONE		05536802	3942263	NONE		05538526	3985543	NONE		05539522
3947001	NONE		05540567	3992170	NONE		05560124	4023960	NONE		05579937
3962904	NONE		05584582	4013517	NONE		05617849	3970333	NONE		05621461
4050924	NONE		05637395	4039427	NONE		05644927	4009887	NONE		05645670
4067727	NONE		05672748	4016073	NONE		05674433	4104057	NONE		05692758
4082489	NONE		05709418	4113413	NONE		05709427	4065295	NONE		05709911
4125379	NONE		05717635	4087334	NONE		05729077	4126411	NONE		05733091
4144229	NONE		05745469	4111755	NONE		05763226	4094667	NONE		05764083
4086821	NONE		05768959	4102676	NONE		05781112	4133718	NONE		05809370
4168154	NONE		05884352	4251062	NONE		05889356	4180251	NONE		05889551
4175732	NONE		05889743	4259085	NONE		05898798	4167470	NONE		05905861
4155749	NONE		05911066	4211752	NONE		05916205	4193862	NONE		05919081
4221341	NONE		05937788	4219470	NONE		05953641	4194729	NONE		05956058
4222851	NONE		05958172	4227892	NONE		05966204	4239496	NONE		05966780
4199352	NONE		05969694	4190005	NONE		05969695	4221764	NONE		05969986
4236915	NONE		05971995	4220454	NONE		05974611	4263857	NONE		06001018
4239617	NONE		06013906	4255089	NONE		06022769	4273312	NONE		06022770
4274836	NONE		06031992	4249722	NONE		06038322	4244528	NONE		06061030
4238120	NONE		06061031	4276021	NONE		06064800	4326702	NONE		06086659
4305738	NONE		06116936	4306895	NONE		06117201	4288297	NONE		06140151
4334919	NONE		06150451	4316543	NONE		06150898	4372540	NONE		06183963
4332092	NONE		06190428	4337086	NONE		06197563	4389243	NONE		06197967
4373946	NONE		06214525	4376052	NONE		06236741	4359417	NONE		06238034
4563273	NONE		06248046	4393027	NONE		06300190	4412976	NONE		06300380
4425220	NONE		06346522	4422901	NONE		06431677	4448667	NONE		06451331
4436611	NONE		06510291	4575055	NONE		06755167	4572484	NONE		06755187
4603225	NONE		06774924

Correspondence name and address
	BUCHANAN INGERSOLL, P.C.
	322 BOULEVARD OF THE ALLIES
	SUITE 500
	PITTSBURGH, PENNSYLVANIA 15222

Assignment: 4

Reel/Frame:	005030/0707			Pages:	3
		Recorded:	03/16/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

DRAVO CORPORATION

Exec Dt:

03/10/1989

Assignee

DAVY MCKEE CORPORATION, A CORP. OF DE

ONE OLIVER PLAZA

PITTSBURGH, PENNSYLVANIA 15222

Property

Pat #

Pub #

Intl #

App #

4881848

NONE

07224140

Correspondence name and address
	WILLIAM G. KRATZ, JR.
	PARMELEE, MILLER, WELSH & KRATZ
	STE. 721
	301 FIFTH AVE BLDG.
	PITTSBURGH, PA 15222

Assignment: 5

Reel/Frame:	005030/0893			Pages:	2
		Recorded:	03/16/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

DRAVO CORPORATION

Exec Dt:

03/10/1989

Assignee

DRAVO LIME COMPANY, A CORP. OF DE

ONE GATEWAY CENTER

PITTSBURGH, PENNSYLVANIA 15222

Property

Pat #

Pub #

Intl #

App #

5039499

NONE

07188254

Correspondence name and address
	WILLIAM G. KRATZ, JR.
	PARMELEE, MILLER, WELSH & KRATZ, P.C.
	SUITE 721 - 301 FIFTH AVENUE BUILDING
	PITTSBURGH, PA 15222

Assignment: 6

Reel/Frame:	005030/0896			Pages:	2
		Recorded:	03/16/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST. SUBJECT TO LICENSE RECITED, SEE RECORD FOR DETAILS.

Assignor

DRAVO CORPORATION

Exec Dt:

03/10/1989

Assignee

DRAVO LIME COMPANY, A CORP. OF DE

Property

Pat #

Pub #

Intl #

App #

4779992

NONE

07057798

Correspondence name and address
	WILLIAM G. KRATZ, JR.
	PARMELEE, MILLER, WELSCH & KRATZ, P.C.
	SUITE 721 - 301 FIFTH AVE. BLDG.
	PITTSBURGH, PA 15222

Assignment: 7

Reel/Frame:	005030/0899			Pages:	3
		Recorded:	03/16/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

DRAVO CORPORATION

Exec Dt:

03/10/1989

Assignee

DAVY MCKEE CORPORATION, A CORP. OF DE

ONE OLIVER PLAZA

PITTSBURGH, PENNSYLVANIA 15222

Property

Pat #

Pub #

Intl #

App #

4906130

NONE

07224798

Correspondence name and address
	WILLIAM G. KRATZ JR.
	PARMELEE, MILLER, WELSH & KRATZ
	SUITE 721 - 301 FIFTH AVE. BUILDING
	PITTSBURGH, PA 15222

Assignment: 8

Reel/Frame:	005250/0465			Pages:	4
		Recorded:	03/09/1990
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

DRAVO CORPORATION

Exec Dt:

03/02/1990

Assignee

DAVY MCKEE CORPORATION, A CORP. OF DE

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4689007

NONE

06772564

4683029

NONE

06778545

Correspondence name and address
	MICHAEL L. DEVER
	BUCHANAN INGERSOLL, P.C.
	322 BOULEVARD OF THE ALLIES
	PITTSBURGH, PA 15222

Assignment: 9

Reel/Frame:	010121/0281			Pages:	29
		Recorded:	04/27/1999
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

DRAVO LIME COMPANY

Exec Dt:

04/12/1999

MARBLEHEAD LIME COMPANY

Exec Dt:

04/12/1999

DRAVO CORPORATION

Exec Dt:

04/12/1999

BEACHVILIME LIMITED, A CORPORATION OF THE PROVINCE OF ONTARIO, CANADA

Exec Dt:

04/12/1999

CARMEUSE LIME, INC.

Exec Dt:

04/12/1999

CARMEUSE NORTH AMERICA B.V.

Exec Dt:

04/12/1999

CARMEUSE OHIO, INC.

Exec Dt:

04/12/1999

CARMEUSE PENNSYLVANIA, INC.

Exec Dt:

04/12/1999

REDLAND STONE HOLDINGS, INC.

Exec Dt:

04/12/1999

LEFARGE LIME OHIO, INC.

Exec Dt:

04/12/1999

LAFARGE LIME TEXAS, INC.

Exec Dt:

04/12/1999

Assignee

BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION

231 SOUTH LASALLE STREET

CHICAGO, ILLINOIS 60697

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4363411	NONE		05921787	4268204	NONE		06024991	4239537	NONE		06038588
4265579	NONE		06052621	4231476	NONE		06053814	4340207	NONE		06099336
4354792	NONE		06135640	4377220	NONE		06152136	4296102	NONE		06158649
4317814	NONE		06158650	4351431	NONE		06166466	4296103	NONE		06176278
4270982	NONE		06189085	4388153	NONE		06323182	4479749	NONE		06382780
4487547	NONE		06389249	4512260	NONE		06427003	4466361	NONE		06498598
4546711	NONE		06544627	4609321	NONE		06665783	4714097	NONE		06918537
4699187	NONE		06922516	4779992	NONE		07057798	4760968	NONE		07068650
4794872	NONE		07107788	5039499	NONE		07188254	4976936	NONE		07395667
4996032	NONE		07454271	4976937	NONE		07462083	5082639	NONE		07610151
5084255	NONE		07675418	5200160	NONE		07751754	5266285	NONE		07867894
5270026	NONE		07989000	5403568	NONE		08027203	5294408	NONE		08048736
5310498	NONE		08128732	5380505	NONE		08132807	5370557	NONE		08142639
5336481	NONE		08160245	5384111	NONE		08191413	5481989	NONE		08294554
5628811	NONE		08294555	5783050	NONE		08434871	5645807	NONE		08446959
5614158	NONE		08546182	5683666	NONE		08602876	5695727	NONE		08610997
5705051	NONE		08632574	5785841	NONE		08635330	6099816	NONE		08687135
5827488	NONE		08706657	5817283	NONE		08730442	5846286	NONE		08812587
5766339	NONE		08852798	5769940	NONE		08901457	4099964	NONE		UNAVAILABLE

Correspondence name and address
	RUDNICK & WOLFE
	DAVID J. RICHTER
	P.O. BOX 64807
	CHICAGO, IL 60664-0807

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