IP Library › Assignment 003894/0279
Patent Assignment
Reel/Frame 003894/0279

Assignment of Assignors Interest.

Recorded: 1981-06-10 Pages: 1
Assignors
BROWNELL, GEORGE L.
Executed: 1981-05-29
DAVIE, WILLIAM R.
Executed: 1981-05-29
FIELDS, MARVIN C.
Executed: 1981-05-29
Assignee
UNITED STATES STEEL CORPORATION
PITTSBURGH, PENNSYLVANIA
Covered Property (1)
Removal of Iron Compounds from Organic Process Streams
Patent: 4,370,240 →
Application: 06/272,141 →
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 →