Patent Assignment
Reel/Frame 004789/0065
Assignment of Assignors Interest.
Recorded: 1987-08-20
Pages: 1
Assignor
OU-YANG, DAVID T.
Executed: 1987-08-19
Covered Property
(1)
Synthetic Liner Capable of Resisting Chemical Attack and High Temperature
Patent:
4,818,577 →
Application:
07/087,666 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Dec 9, 1996
From: UNIPAC CORPORATION
To: MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY; MASSMUTUAL CORPORATE INVESTORS; MASSMUTUAL PARTICIPATION INVESTORS
Reel/Frame 008261/0147 →
Assignment of Patent and Patent Applications
Oct 15, 1997
From: MINNESOTA MINING AND MANUFACTURING COMPANY
To: UNIPAC CORPORATION
Reel/Frame 008783/0759 →
Assignment of Assignor's Interest
Jan 18, 2000
From: UNIPAC CORPORATION
To: ILLINOIS TOOL WORKS INC.
Reel/Frame 010539/0290 →
Assignment of Assignor's Interest
Aug 1, 2008
From: ILLINOIS TOOL WORKS INC.
To: SELIG SEALING PRODUCTS, INC.
Reel/Frame 021328/0290 →