Patent Assignment
Reel/Frame 007857/0804
Assignment of Assignor's Interest
Recorded: 1996-03-25
Pages: 3
Assignor
MATTINGLY, WAYNE
Executed: 1996-02-13
Assignee
SPEEDFAM CORPORATION
509 WEST THIRD AVENUE, DES PLAINES, ILLINOIS, 60016
Covered Property
(1)
Polishing Control Method
Patent:
5,685,766 →
Application:
08/564,967 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 25, 1996
From: ARAI, HATSUYUKI
To: SPEEDFAM CORPORATION
Reel/Frame 007857/0780 →
Merger
Jul 16, 1999
From: SPEEDFAM CORPORATION
To: SPEEDFAM-IPEC CORPORATION
Reel/Frame 010078/0150 →
Assignment of Assignor's Interest
Sep 27, 1999
From: SPEEDFAM CORPORATION
To: SPEEDFAM-IPEC CORPORATION
Reel/Frame 010272/0472 →