IP Library Assignment 004058/0940
Patent Assignment
Reel/Frame 004058/0940

Assignment of Assignors Interest.

Recorded: 1982-10-13 Pages: 1
Assignors
AIKEN, JOHN E.
Executed: 1982-10-11
FIELDS, MARVIN C.
Executed: 1982-10-11
STICKEL, ROBERT M.
Executed: 1982-10-11
Assignee
UNITED STATES STEEL CORPORATION
PITTSBURGH, PENNSYLVANIA
Covered Property (1)
Manufacture of Diphenylamine
Patent: 4,454,348 →
Application: 06/434,096 →
Related Assignments (3)
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 →
Assignment of Assignor's Interest Mar 5, 2002
From: ARISTECH CHEMICAL CORPORATION
To: SUNOCO, INC. (R&M)
Reel/Frame 012665/0008 →