Patent Assignment
Reel/Frame 004517/0362
Assignment of Assignors Interest.
Recorded: 1986-01-02
Pages: 1
Assignor
MICKELSON, GRANT A.
Executed: 1985-12-13
Assignee
AMERICAN COLLOID COMPANY, A CORP. OF DE.
5100 SUFFIELD COURT, SKOIE, ILLINOIS, 60077
Covered Property
(1)
Process for Acid Treating Clay for Improved Filtration
Patent:
4,717,699 →
Application:
06/815,704 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.