Patent Assignment
Reel/Frame 006814/0616
Assignment of Assignor's Interest
Recorded: 1993-12-20
Pages: 3
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
OLD ORCHARD ROAD ARMONK, NY 10504, NEW YORK
Covered Property
(1)
Method of Making an Electrostatic Chuck with Oxide Insulator
Patent:
5,452,510 →
Application:
08/169,910 →
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 →