Patent Assignment
Reel/Frame 006846/0534
Assignment of Assignor's Interest
Recorded: 1994-01-04
Pages: 3
Assignee
SPEEDFAM CORPORATION
509 NORTH THIRD AVENUE, DES PLAINES, ILLINOIS, 60016
Covered Property
(1)
Device for Conditioning Polishing Pads
Patent:
5,486,131 →
Application:
08/177,156 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.