Patent Assignment
Reel/Frame 012698/0790
Assignment of Assignor's Interest
Recorded: 2002-03-20
Pages: 3
Assignor
INTERNATIONAL BUSINESS MACHINES CORPORATION
Executed: 2001-03-19
Assignee
DORSEY GAGE CO., INC.
253 MANSION STREET, POUGHKEEPSIE, NEW YORK, 12601
Covered Properties
(2)
Electrostatic Chuck with Reference Electrode
Patent:
37,541 →
Application:
09/165,285 →
Guard Ring Electrostatic Chuck
Patent:
37,580 →
Application:
09/272,408 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
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 →
Assignment of Assignor's Interest
Oct 8, 2025
From: BARR, WILLIAM C.
To: TYFCO LLC
Reel/Frame 072507/0884 →
Assignment of Assignor's Interest
Dec 10, 2025
From: STEWART, PHILIP J.; ALWAN, ESRA; LIABEUF, DEBORA; EDMONDSON, AMY M.
To: DRISCOLL'S, INC.
Reel/Frame 073178/0631 →