USPTO Assignments on the Web

	United States Patent and Trademark Office
	Home\|Site Index\|Search\|Guides\|Contacts\|eBusiness\|eBiz alerts\|News\|Help

Assignments on the Web > Patent Query

Patent Assignment Assignee Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : PT SUB, INC.

Total Assignments: 12

Assignment: 1

Reel/Frame:	007275/0020			Pages:	13
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W. R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4042743	NONE		05654190	4197126	NONE		05760477	4179531	NONE		05827002
4224370	NONE		05871734	4248960	NONE		05871748	4234676	NONE		05871931
4215928	NONE		06025633	4250390	NONE		06025634	4246335	NONE		06028485
4292150	NONE		06052166	4303721	NONE		06059343	4265986	NONE		06096608
4264705	NONE		06106602	4259002	NONE		06119242	4300052	NONE		06119281
4452143	NONE		06172055	4388363	NONE		06175465	4394435	NONE		06307360
4407862	NONE		06316386	4582777	NONE		06495862	4547453	NONE		06554039
4537129	NONE		06586157	4517279	NONE		06634732	4686172	NONE		06756861
4684600	NONE		06783296	4771078	NONE		06797358	4689290	NONE		06868846
4702994	NONE		06873459	4767793	NONE		07001066	4857434	NONE		07091169
4847182	NONE		07092828	4829896	NONE		07191839	4927723	NONE		07203782
4812357	NONE		07248460	4870901	NONE		07280628	4966637	NONE		07295702
4981750	NONE		07299704	5006666	NONE		07506963	5147761	NONE		07535819
5066537	NONE		07592762	5143819	NONE		07645848	5290663	NONE		07662699
5223375	NONE		07729976	5290662	NONE		07868062	5328805	NONE		07924264
5304458	NONE		07941486	5233733	NONE		07948338	5362806	NONE		08001363
5364741	NONE		08003167	5344743	NONE		08024565	5268257	NONE		08028715
5347927	NONE		08058067	5362605	NONE		08059928	5370968	NONE		08197107

Correspondence name and address
	KIRKLAND & ELLIS
	DANIEL J. SCHAEFFER, ESQ.
	200 EAST RANDOLPH DRIVE, STE. 6100
	CHICAGO, IL 60601

Assignment: 2

Reel/Frame:	007277/0663			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5448197

NONE

08191527

Correspondence name and address
	KIRKLAND & ELLIS
	DANIEL J. SCHAEFFER, ESQ.
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 3

Reel/Frame:	007277/0666			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5370968

NONE

08197107

Correspondence name and address
	KIRKLAND & ELLIS
	DANIEL J. SCHAEFFER, ESQ.
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 4

Reel/Frame:	007277/0669			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5462835

NONE

07760430

Correspondence name and address
	KIRKLAND & ELLIS
	DANIEL J. SCHAEFFER, ESQ.
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 5

Reel/Frame:	007280/0165			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5550005

NONE

07941508

Correspondence name and address
	DANIEL J. SCHAEFFER
	KIRKLAND & ELLIS
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 6

Reel/Frame:	007280/0168			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

6942977

NONE

08070099

Correspondence name and address
	DANIEL J. SCHAEFFER
	KIRKLAND & ELLIS
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 7

Reel/Frame:	007280/0171			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5698371

NONE

08242818

Correspondence name and address
	DANIEL J. SCHAEFFER
	KIRKLAND & ELLIS
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 8

Reel/Frame:	007280/0633			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5554712

NONE

08246197

Correspondence name and address
	DANIEL J. SCHAEFFER
	KIRKLAND & ELLIS
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 9

Reel/Frame:	007280/0648			Pages:	3
		Recorded:	12/29/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5407784

NONE

07671937

Correspondence name and address
	DANIEL J. SCHAEFFER
	KIRKLAND & ELLIS
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, IL 60601

Assignment: 10

Reel/Frame:	008998/0268			Pages:	3
		Recorded:	02/09/1998
Conveyance:	CROSS-REFERENCE OF ASSIGNMENT ORIGINALLY RECORDED IN S.N. 08/111,746 FILED 8/25/93 AT REEL 7277 FRAME 0660.

Assignor

W.R. GRACE & CO.-CONN.

Exec Dt:

12/28/1994

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5735983

NONE

08669267

Correspondence name and address
	WOODCOCK WASHBURN KURTZ MACKIEWICZ &
	NORRIS LLP, JOSEPH LUCCI
	ONE LIBERTY PLACE - 46TH FLOOR
	1650 MARKET STREET
	PHILADELPHIA, PENNSYLVANIA 19103-7301

Assignment: 11

Reel/Frame:	008105/0351			Pages:	4
		Recorded:	07/08/1996
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

CUSDIN, GEORGE

Exec Dt:

06/28/1996

CROWELL, JOSEPH

Exec Dt:

06/28/1996

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Property

Pat #

Pub #

Intl #

App #

5846691

NONE

08676591

Correspondence name and address
	WOODCOCK WASHBURN KURTZ
	JOSEPH LUCCI
	ONE LIBERTY PLACE - 46TH FLOOR
	PHILADELPHIA, PA 19103-7301

Assignment: 12

Reel/Frame:	010514/0841			Pages:	87
		Recorded:	01/24/2000
Conveyance:	RELEASE OF SECURITY INTEREST

Assignor

PARIBAS (FOMERLY KNOWN AS BANQUE PARIBAS)

Exec Dt:

12/29/1999

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4197126	NONE		05760477	4179531	NONE		05827002	4224370	NONE		05871734
4248960	NONE		05871748	4234676	NONE		05871931	4215928	NONE		06025633
4250390	NONE		06025634	4246335	NONE		06028485	4292150	NONE		06052166
4303721	NONE		06059343	4265986	NONE		06096608	4264705	NONE		06106602
4259002	NONE		06119242	4300052	NONE		06119281	4452143	NONE		06172055
4388363	NONE		06175465	4394435	NONE		06307360	4407862	NONE		06316386
4582777	NONE		06495862	4547453	NONE		06554039	4537129	NONE		06586157
4517279	NONE		06634732	4686172	NONE		06756861	4684600	NONE		06783296
4771078	NONE		06797358	4689290	NONE		06868846	4702994	NONE		06873459
4767793	NONE		07001066	4847182	NONE		07092828	4829896	NONE		07191839
4921140	NONE		07242818	4812357	NONE		07248460	4870901	NONE		07280628
4927725	NONE		07281375	4966637	NONE		07295702	4981750	NONE		07299704
5006666	NONE		07506963	5147761	NONE		07535819	5066537	NONE		07592762
5143819	NONE		07645848	5290663	NONE		07662699	5407784	NONE		07671937
5223375	NONE		07729976	5462835	NONE		07760430	5290662	NONE		07868062
5328805	NONE		07924264	5304458	NONE		07941486	5550005	NONE		07941508
5233733	NONE		07948338	5362806	NONE		08001363	5364741	NONE		08003167
5344743	NONE		08024565	5352507	NONE		08025482	5268257	NONE		08028715
5347927	NONE		08058067	5362605	NONE		08059928	5431989	NONE		08127464
5370968	NONE		08197107	5554712	NONE		08246197

Correspondence name and address
	WINSTON & STRAWN
	LAURA KONRATH
	33RD FLOOR
	35 W. WACKER
	CHICAGO, IL 60601

Search Results as of: 05/21/2024 12:46 AM

If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6

Web interface last modified: August 25, 2017 v.2.6