IP Library › Assignment 005639/0303
Patent Assignment
Reel/Frame 005639/0303

Assignment of Assignors Interest.

Recorded: 1991-03-20 Pages: 4
Assignor
Assignee
SPEEDFAM CORPORATION
509 NORTH THIRD AVE., A CORP. OF IL, DES PLAINES, ILLINOIS, 60016
Covered Properties (2)
Lapping and Polishing Machine
Patent: 4,974,370 →
Application: 07/280,932 →
Lapping Plate for a Lapping and Polishing Machine
Patent: 5,036,625 →
Application: 07/606,807 →
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Dec 7, 1988
From: GOSIS, ANATOLY
To: GENERAL SIGNAL CORPORATION, A CORP. OF NEW YORK
Reel/Frame 004980/0195 →
Assignment of Assignors Interest. May 4, 1992
From: GOSIS, ANATOLY
To: GENERAL SIGNAL CORPORATION A CORP. OF NEW YORK
Reel/Frame 006107/0471 →
Merger Jul 16, 1999
From: SPEEDFAM CORPORATION
To: SPEEDFAM-IPEC CORPORATION
Reel/Frame 010078/0150 →