Patent Assignment
Reel/Frame 007024/0573
Assignment of Assignor's Interest
Recorded: 1994-05-12
Pages: 3
Assignors
RUCKEL, RAYMOND R.
Executed: 1994-05-11
TOMPKINS, ROBERT E.
Executed: 1994-05-10
WESTERFIELD, ROBERT P., JR.
Executed: 1994-05-03
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
OLD ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Electrostatic Chuck Having Relatively Thick and Thin Areas and Means for Uniformly Cooling Said Thick and Thin Areas During Chuck Anodization
Patent:
5,521,790 →
Application:
08/241,527 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 9, 2001
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: DORSEY GAGE CO., INC.
Reel/Frame 011722/0579 →
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 →