Patent Assignment
Reel/Frame 006824/0294
Assignment of Assignor's Interest
Recorded: 1993-12-20
Pages: 5
Assignors
BARNES, MICHAEL S.
Executed: 1993-12-13
KELLER, JOHN H .
Executed: 1993-12-15
LOGAN, JOSEPH S.
Executed: 1993-12-15
RUCKEL, RAYMOND R.
Executed: 1993-12-15
TOMPKINS, ROBERT E.
Executed: 1993-12-15
WESTERFIELD, ROBERT P. JR.
Executed: 1993-12-15
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
OLD ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Method of Making Electrostatic Chuck with Oxide Insulator
Patent:
5,535,507 →
Application:
08/169,911 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 6, 2001
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: DORSEY GAGE CO., INC.
Reel/Frame 012295/0524 →
Assignment of Assignor's Interest
Jan 3, 2012
From: PRAXAIR SURFACE TECHNOLOGIES, INC.
To: PRAXAIR S.T. TECHNOLOGY, INC.
Reel/Frame 027468/0512 →
Assignment of Assignor's Interest
May 15, 2012
From: PRAXAIR S.T. TECHNOLOGY, INC.
To: FM INDUSTRIES, INC.
Reel/Frame 028214/0615 →