Patent Assignment
Reel/Frame 005037/0750
Assignment of Assignors Interest.
Recorded: 1989-02-01
Pages: 1
Assignor
OU-YANG, DAVID T.
Executed: 1989-01-31
Covered Property
(1)
Pressure-Activated Innerseals and Containers Using Same
Patent:
4,935,273 →
Application:
07/305,476 →
Related Assignments
(2)
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 →