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 Details

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

Reel/Frame:	005206/0001			Pages:	16
		Recorded:	08/24/1989
Conveyance:	MERGER (SEE DOCUMENT FOR DETAILS).

Total properties: 300
Page 1 of 4
Pages: 1 2 3 4

Patent #:	3726820	Issue Dt:		Application #:	04734186	Filing Dt:
Title:

Patent #:	3741856	Issue Dt:		Application #:	04803438	Filing Dt:
Title:

Patent #:	3708413	Issue Dt:		Application #:	05049191	Filing Dt:
Title:

Patent #:	3730794	Issue Dt:		Application #:	05071801	Filing Dt:
Title:

Patent #:	3751525	Issue Dt:		Application #:	05076268	Filing Dt:
Title:

Patent #:	3759204	Issue Dt:		Application #:	05088019	Filing Dt:
Title:

Patent #:	3708331	Issue Dt:		Application #:	05089494	Filing Dt:
Title:

Patent #:	3729756	Issue Dt:		Application #:	05116031	Filing Dt:
Title:

Patent #:	3775176	Issue Dt:		Application #:	05118090	Filing Dt:
Title:

Patent #:	3730092	Issue Dt:		Application #:	05121332	Filing Dt:
Title:

Patent #:	3719513	Issue Dt:		Application #:	05122703	Filing Dt:
Title:

Patent #:	3857806	Issue Dt:		Application #:	05124539	Filing Dt:
Title:

Patent #:	3755237	Issue Dt:		Application #:	05124540	Filing Dt:
Title:

Patent #:	3751164	Issue Dt:		Application #:	05132976	Filing Dt:
Title:

Patent #:	3748297	Issue Dt:		Application #:	05137638	Filing Dt:
Title:

Patent #:	3730244	Issue Dt:		Application #:	05142273	Filing Dt:
Title:

Patent #:	3775379	Issue Dt:		Application #:	05143256	Filing Dt:
Title:

Patent #:	3753940	Issue Dt:		Application #:	05144641	Filing Dt:
Title:

Patent #:	3796611	Issue Dt:		Application #:	05146871	Filing Dt:
Title:

Patent #:	3725229	Issue Dt:		Application #:	05156950	Filing Dt:
Title:

Patent #:	3714290	Issue Dt:		Application #:	05156968	Filing Dt:
Title:

Patent #:	3729403	Issue Dt:		Application #:	05156971	Filing Dt:
Title:

Patent #:	3725228	Issue Dt:		Application #:	05156975	Filing Dt:
Title:

Patent #:	3776892	Issue Dt:		Application #:	05159293	Filing Dt:
Title:

Patent #:	3779958	Issue Dt:		Application #:	05163095	Filing Dt:
Title:

Patent #:	3755264	Issue Dt:	08/28/1973	Application #:	05167823	Filing Dt:	07/30/1971
Title:	MALEIC ANHYDRIDE COPOLYMERS AND METHOD OF MAKING

Patent #:	3788941	Issue Dt:		Application #:	05168414	Filing Dt:
Title:

Patent #:	3767820	Issue Dt:		Application #:	05170294	Filing Dt:
Title:

Patent #:	3852474	Issue Dt:		Application #:	05178398	Filing Dt:
Title:

Patent #:	3709355	Issue Dt:		Application #:	05179924	Filing Dt:
Title:

Patent #:	3736103	Issue Dt:		Application #:	05182018	Filing Dt:
Title:

Patent #:	3739491	Issue Dt:		Application #:	05182639	Filing Dt:
Title:

Patent #:	3779965	Issue Dt:		Application #:	05209168	Filing Dt:
Title:

Patent #:	3782525	Issue Dt:		Application #:	05211013	Filing Dt:
Title:

Patent #:	3798294	Issue Dt:		Application #:	05225205	Filing Dt:
Title:

Patent #:	3776421	Issue Dt:		Application #:	05229212	Filing Dt:
Title:

Patent #:	3735627	Issue Dt:		Application #:	05230248	Filing Dt:
Title:

Patent #:	3771440	Issue Dt:		Application #:	05230249	Filing Dt:
Title:

Patent #:	3783152	Issue Dt:		Application #:	05248297	Filing Dt:
Title:

Patent #:	4000352	Issue Dt:		Application #:	05258887	Filing Dt:
Title:

Patent #:	3825606	Issue Dt:		Application #:	05258957	Filing Dt:
Title:

Patent #:	3769429	Issue Dt:		Application #:	05259253	Filing Dt:
Title:

Patent #:	3900102	Issue Dt:		Application #:	05259998	Filing Dt:
Title:

Patent #:	3834578	Issue Dt:		Application #:	05265148	Filing Dt:
Title:

Patent #:	3817379	Issue Dt:	06/18/1974	Application #:	05270011	Filing Dt:	07/10/1972
Title:	DISPOSABLE LIQUID CONCENTRATING DEVICE

Patent #:	3853682	Issue Dt:		Application #:	05291491	Filing Dt:
Title:

Patent #:	4003758	Issue Dt:		Application #:	05317107	Filing Dt:
Title:

Patent #:	3847676	Issue Dt:		Application #:	05317108	Filing Dt:
Title:

Patent #:	3870567	Issue Dt:		Application #:	05317487	Filing Dt:
Title:

Patent #:	3839059	Issue Dt:		Application #:	05322271	Filing Dt:
Title:

Patent #:	3814637	Issue Dt:		Application #:	05325533	Filing Dt:
Title:

Patent #:	4066625	Issue Dt:	01/03/1978	Application #:	05326560	Filing Dt:	01/24/1973
Title:	UNITARY CURABLE RESIN COMPOSITIONS

Patent #:	3776440	Issue Dt:		Application #:	05327995	Filing Dt:
Title:

Patent #:	3956557	Issue Dt:		Application #:	05328791	Filing Dt:
Title:

Patent #:	3808762	Issue Dt:		Application #:	05328994	Filing Dt:
Title:

Patent #:	3800741	Issue Dt:		Application #:	05331418	Filing Dt:
Title:

Patent #:	3812076	Issue Dt:		Application #:	05333839	Filing Dt:
Title:

Patent #:	3930919	Issue Dt:		Application #:	05351733	Filing Dt:
Title:

Patent #:	3867221	Issue Dt:		Application #:	05351734	Filing Dt:
Title:

Patent #:	3893920	Issue Dt:		Application #:	05356727	Filing Dt:
Title:

Patent #:	3915783	Issue Dt:		Application #:	05366381	Filing Dt:
Title:

Patent #:	3872151	Issue Dt:		Application #:	05390663	Filing Dt:
Title:

Patent #:	3872150	Issue Dt:		Application #:	05390664	Filing Dt:
Title:

Patent #:	3931287	Issue Dt:		Application #:	05390665	Filing Dt:
Title:

Patent #:	3872152	Issue Dt:		Application #:	05390666	Filing Dt:
Title:

Patent #:	3839589	Issue Dt:		Application #:	05395303	Filing Dt:
Title:

Patent #:	3873013	Issue Dt:		Application #:	05403510	Filing Dt:
Title:

Patent #:	3865601	Issue Dt:		Application #:	05403963	Filing Dt:
Title:

Patent #:	3865950	Issue Dt:		Application #:	05408709	Filing Dt:
Title:

Patent #:	3884009	Issue Dt:	05/20/1975	Application #:	05409849	Filing Dt:	10/26/1973
Title:	METHOD OF VENTILATING A ROOF SYSTEM

Patent #:	3891732	Issue Dt:		Application #:	05431808	Filing Dt:
Title:

Patent #:	3946139	Issue Dt:		Application #:	05434031	Filing Dt:
Title:

Patent #:	3903181	Issue Dt:		Application #:	05436428	Filing Dt:
Title:

Patent #:	3917772	Issue Dt:		Application #:	05439517	Filing Dt:
Title:

Patent #:	3899081	Issue Dt:		Application #:	05439808	Filing Dt:
Title:

Patent #:	3963396	Issue Dt:		Application #:	05439812	Filing Dt:
Title:

Patent #:	3906111	Issue Dt:		Application #:	05451677	Filing Dt:
Title:

Patent #:	3885985	Issue Dt:		Application #:	05456715	Filing Dt:
Title:

Patent #:	3883025	Issue Dt:		Application #:	05457690	Filing Dt:
Title:

Patent #:	3886228	Issue Dt:		Application #:	05475763	Filing Dt:
Title:

Patent #:	3989781	Issue Dt:		Application #:	05481073	Filing Dt:
Title:

Patent #:	3926714	Issue Dt:		Application #:	05482141	Filing Dt:
Title:

Patent #:	3924496	Issue Dt:		Application #:	05482143	Filing Dt:
Title:

Patent #:	3888380	Issue Dt:		Application #:	05491748	Filing Dt:
Title:

Patent #:	4081503	Issue Dt:		Application #:	05491749	Filing Dt:
Title:

Patent #:	3900568	Issue Dt:		Application #:	05492343	Filing Dt:
Title:

Patent #:	3981779	Issue Dt:		Application #:	05493959	Filing Dt:
Title:

Patent #:	3918995	Issue Dt:		Application #:	05504608	Filing Dt:
Title:

Patent #:	3945900	Issue Dt:		Application #:	05508409	Filing Dt:
Title:

Patent #:	3960580	Issue Dt:		Application #:	05525687	Filing Dt:
Title:

Patent #:	3928468	Issue Dt:		Application #:	05529631	Filing Dt:
Title:

Patent #:	3932529	Issue Dt:		Application #:	05536411	Filing Dt:
Title:

Patent #:	3931344	Issue Dt:		Application #:	05536573	Filing Dt:
Title:

Patent #:	3989845	Issue Dt:		Application #:	05536589	Filing Dt:
Title:

Patent #:	3933525	Issue Dt:		Application #:	05537052	Filing Dt:
Title:

Patent #:	3928690	Issue Dt:		Application #:	05537625	Filing Dt:
Title:

Patent #:	3984319	Issue Dt:		Application #:	05538734	Filing Dt:
Title:

Patent #:	3954893	Issue Dt:		Application #:	05539957	Filing Dt:
Title:

Patent #:	3932669	Issue Dt:		Application #:	05539958	Filing Dt:
Title:

100

Patent #:	3906052	Issue Dt:		Application #:	05539985	Filing Dt:
Title:

Assignors

GRACE MERGER CORP. A CT CORP. (MERGED INTO)

Exec Dt:

05/25/1988

W. R. GRACE & CO. A CT. CORP.

Exec Dt:

05/25/1988

Assignee

W. R. GRACE & CO.-CONN.

55 HAYDEN AVE.

LEXINGTON, MASSACHUSETTS 02173

Correspondence name and address
	WILLIAM L. BAKER
	55 HAYDEN AVENUE
	LEXINGTON, MA 02173

Search Results as of: 05/09/2024 07:54 PM

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