Patent Assignment
Reel/Frame 005482/0886
Assignment of Assignors Interest.
Recorded: 1990-10-25
Pages: 4
Assignor
BOATENG, DANIEL A.D.
Executed: 1990-09-27
Assignee
COMINCO LTD., A CORP. OF CANADA
2600 - 200 GRANVILLE STREET, VANCOUVER, BRITISH COLUMBIA, V6C 2R2, CANADA
Covered Property
(1)
Membrane Process for Acid Recovery
Patent:
5,064,538 →
Application:
07/603,053 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.