IP Library Assignment 005084/0208
Patent Assignment
Reel/Frame 005084/0208

Assignment of Assignors Interest.

Recorded: 1989-05-19 Pages: 1
Assignors
DUTCHER, JOHN S.
Executed: 1989-05-16
SHARIFIAN, HOSSEIN
Executed: 1989-05-16
TANNER, ALAN R.
Executed: 1989-05-16
Assignee
SOUTHWESTERN ANALYTICAL CHEMICALS, INC., A CORP. OF TEXAS
821 EAST WOODWARD, AUSTIN, TEXAS, 78704
Covered Property (1)
Electrolytic Reductive Coupling of Quaternary Ammonium Compounds
Patent: 4,931,155 →
Application: 07/354,623 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective on 03/11/1991 May 1, 1992
From: SOUTHWESTERN ANALYTICAL CHEMICALS, INC., A CORPORATION OF TX
To: SACHEM, INC.
Reel/Frame 006101/0177 →