IP Library › Assignment 006234/0860
Patent Assignment
Reel/Frame 006234/0860

Assignment of Assignors Interest.

Recorded: 1992-08-05 Pages: 3
Assignors
KARLSRUD, CHRIS E.
Executed: 1992-07-21
VAN WOERKOM, ANTHONY G.
Executed: 1992-07-21
ODAGIRI, SHIGERU
Executed: 1992-07-27
NAGAHASHI, ISAO
Executed: 1992-07-24
Assignee
SPEEDFAM CORPORATION
A CORP. OF IL, 509 NORTH THIRD AVENUE, DES PLAINES, IL 60016-1196
Covered Property (1)
Wafer Polishing Method and Apparatus
Patent: 5,329,732 →
Application: 07/898,876 →
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 →