Patent Assignment
Reel/Frame 003888/0530
Assignment of Assignors Interest.
Recorded: 1981-05-11
Pages: 1
Assignor
ESCALERA SAUL J.
Executed: 1981-05-04
Assignee
SHEREX CHEMICAL COMPANY, INC.
A CORP. OF OH, DUBLIN, OHIO
Covered Property
(1)
Promoters for Use in the Anionic Circuit of Froth Flotation of Mineral Ores
Patent:
4,337,149 →
Application:
06/262,417 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.