IP Library Assignment 003875/0967
Patent Assignment
Reel/Frame 003875/0967

Assignment of Assignors Interest.

Recorded: 1981-03-18 Pages: 1
Assignors
ASHBURN DONALD G.
Executed: 1981-03-13
STEADY GLENDON T.
Executed: 1981-03-13
Assignee
UNITED STATES STEEL CORPORATION
PITTSBURGH, PENNSYLVANIA
Covered Property (1)
Abs Composition Containing Coal Tar Pitch
Patent: 4,374,944 →
Application: 06/244,855 →
Related Assignments (1)
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 →