Patent Assignment
Reel/Frame 003892/0022
Assignment of 1/2 of Assignors Interest
Recorded: 1981-08-20
Pages: 1
Assignee
NATIONAL GYPSUM COMPANY, A CORP. OF DE.
4100 FIRST INTERNATIONAL BUILDING, DALLAS, TEXAS, 75270
Covered Property
(1)
Distortion-Free Vinyl Siding
Application:
06/263,855 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.