IP Library › Assignment 007198/0502
Patent Assignment
Reel/Frame 007198/0502

Assignment of Assignor's Interest

Recorded: 1994-09-21 Pages: 4
Assignors
KARLSRUD, CHRIS E.
Executed: 1994-08-16
VAN WOERKOM, ANTHONY G.
Executed: 1994-08-24
ODAGIRI, SHIGERU
Executed: 1994-09-01
NAGAHASHI, ISAO
Executed: 1994-08-30
PRESTON, SPENCER
Executed: 1994-08-17
Assignee
SPEEDFAM CORPORATION
509 NORTH THIRD AVENUE DES PLAINES, IL 60016, DES PLAINES,, ILLINOIS
Covered Property (1)
Wafer Polishing Method and Apparatus
Patent: 5,498,199 →
Application: 08/276,158 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →