Patent Assignment
Reel/Frame 004057/0043
Assignment of Assignors Interest.
Recorded: 1982-09-30
Pages: 2
Assignee
PPG INDUSTRIES, INC. A CORP OF PA.
PITTSBURGH,, PENNSYLVANIA
Covered Property
(1)
Process Improvement for Diphenyl Ether Production
Patent:
4,484,008 →
Application:
06/430,107 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.