Patent Assignment
Reel/Frame 004206/0664
Assignment of Assignors Interest.
Recorded: 1984-01-09
Pages: 1
Assignor
DAY, LAWRENCE
Executed: 1983-08-12
Assignee
GENERAL SIGNAL CORPORATION
HIGH RIDGE PARK, STAMFORD, CONNECTICUT, 06904
Covered Property
(1)
Removable Polishing Pad Assembly
Patent:
4,527,358 →
Application:
06/527,255 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 25, 1991
From: GENERAL SIGNAL CORPORATION, A CORP. OF NY
To: SPEEDFAM CORPORATION, 509 NORTH THIRD AVE., DES PLAINES, IL 60016 A CORP. OF IL
Reel/Frame 005610/0747 →
Merger
Jul 16, 1999
From: SPEEDFAM CORPORATION
To: SPEEDFAM-IPEC CORPORATION
Reel/Frame 010078/0150 →