Patent Assignment
Reel/Frame 008997/0368
Assignment of Assignor's Interest
Recorded: 1998-02-23
Pages: 2
Assignee
CATALYST TECHNOLOGY, INC.
1905 JASMINE, BUILDING E, PASADENA, TEXAS, 77503
Covered Property
(1)
Nitrogen Insertion Protection System
Patent:
5,792,429 →
Application:
08/775,063 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 8, 2002
From: CATALYST TECHNOLOGY, INC.
To: CAT TECH INC.
Reel/Frame 012698/0326 →
Invalid Assignment, See Recording at Reel 012698, Frame 0326. (Re-Recorded to Correct Recordation Date from 5-14-2002 to 5-08-2002)
May 14, 2002
From: CATALYST TECHNOLOGY, INC.
To: CAT TECH, INC.
Reel/Frame 012683/0881 →
Conversion from Texas Corporation to Texas Llc
Dec 29, 2009
From: CAT TECH INC.
To: CAT TECH LLC
Reel/Frame 023708/0374 →
Conversion from Texas Llc to Delaware Llc and Change of Name
Dec 29, 2009
From: CAT TECH LLC
To: CLEAN HARBORS CATALYST TECHNOLOGIES, LLC
Reel/Frame 023708/0383 →