Patent Assignment
Reel/Frame 004857/0437
Assignment of Assignors Interest.
Recorded: 1988-02-05
Pages: 1
Assignee
DUBOIS CHEMICALS, INC., A CORP. OF DE
1100 DUBOIS TOWER, CINCINNATI, OHIO, 45202
Covered Property
(1)
Chemical Treatment for Algae Control in Open Water Systems
Patent:
4,781,843 →
Application:
07/131,902 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.