IP Library › Assignment 003915/0927
Patent Assignment
Reel/Frame 003915/0927

Assignment of Assignors Interest.

Recorded: 1981-08-24 Pages: 3
Assignors
GUZIK, FREDERICK F.
Executed: 1981-08-18
PAMER, STEVEN E.
Executed: 1981-08-18
RICHTER, SIDNEY B.
Executed: 1981-08-18
Assignee
PPG INDUSTRIES, INC.
A CORP. OF PA, PITTSBURGH, PENNSYLVANIA
Covered Property (1)
Process of Preparation of Substituted Diphenyl Ethers
Patent: 4,424,393 →
Application: 06/295,885 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Mar 14, 1988
From: PPG INDUSTRIES, INC., A CORP. OF PA.
To: PPG INDUSTRIES, INC.
Reel/Frame 004866/0169 →