IP Library Assignment 004242/0576
Patent Assignment
Reel/Frame 004242/0576

Assignment of Assignors Interest.

Recorded: 1984-03-21 Pages: 2
Assignors
CIUBA, STANLEY J.
Executed: 1984-03-21
BARTELME, MICHAEL J. III
Executed: 1984-03-21
Assignee
ECONOMICS LABORATORY, INC. A CORP OF DE
OSBORN BLDG.,, ST PAUL,, MINNESOTA
Covered Property (1)
Method and Composition for the Prevention or Inhibition of Corrosion
Patent: 4,495,225 →
Application: 06/591,676 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 13, 1995
From: ASHLAND OIL, INC. (A KENTUCKY CORPORATION)
To: ASHLAND INC. (A KENTUCKY CORPORATION)
Reel/Frame 007378/0147 →
Assignment of Assignor's Interest Mar 27, 1996
From: DREW CHEMICAL CORPORATION
To: ASHLAND INC.
Reel/Frame 007881/0508 →