Patent Assignment
Reel/Frame 003996/0189
Assignment of Assignors Interest.
Recorded: 1982-05-10
Pages: 2
Assignee
VIRGINIA CHEMICALS INC., A CORP. OF MAINE
PORTSMOUTH, VIRGINIA
Covered Property
(1)
Treatment of Waste Stream from Pentaerythritol Manufacture
Patent:
4,612,389 →
Application:
06/376,933 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.