Patent Assignment
Reel/Frame 003890/0824
Assignment of Assignors Interest.
Recorded: 1981-05-22
Pages: 1
Assignor
OU-YANG, DAVID TIEN-TUNG
Executed: 1981-05-22
Assignee
MINNESOTA MINING AND MANFACTURING COMPANY, A CORP. OF DE
ST. PAUL, MINNESOTA, 55133
Covered Property
(1)
Shear-Activated Innerseal
Patent:
4,327,147 →
Application:
06/266,140 →
Related Assignments
(3)
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 →