IP Library › Assignment 003953/0312
Patent Assignment
Reel/Frame 003953/0312

Assignment of Assignors Interest.

Recorded: 1981-09-01 Pages: 1
Assignors
BROWNELL, GEORGE L.
Executed: 1981-08-28
COLLIER, MELBA
Executed: 1981-08-28
HALL, WILLIAM E.
Executed: 1981-08-28
MORGAN, HOWARD H. JR
Executed: 1981-08-28
SNYDER, ARTHUR R.
Executed: 1981-08-28
Assignee
UNITED STATES STEEL CORPORATION
PITTSBURGH, PENNSYLVANIA
Covered Property (1)
Method of Removal of Cos from Propylene
Patent: 4,455,446 →
Application: 06/298,702 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Dec 12, 1986
From: USX CORPORATION; USX CORPORATION
To: ARISTECH CHEMICAL CORPORATION
Reel/Frame 004681/0925 →
Security Interest May 4, 1990
From: ARISTECH CHEMICAL CORPORATION
To: MITSUBISHI BANK LIMITED, THE, NEW YORK BRANCH, AS AGENT
Reel/Frame 005294/0818 →