Patent Assignment
Reel/Frame 010598/0872
Assignment of Assignor's Interest
Recorded: 2000-02-29
Pages: 3
Assignee
GAS RESEARCH INSTITUTE
8600 WEST BRYN MAWR AVENUE, CHICAGO, ILLINOIS, 60631
Covered Property
(1)
Pulse width modulated controlled induction motor
Patent:
6,329,785 →
Application:
09/515,943 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 3, 2002
From: GAS RESEARCH INSTITUTE
To: VARIDIGM CORPORATION
Reel/Frame 013231/0921 →
Assignment of Assignor's Interest
Sep 24, 2012
From: VARIDIGM CORPORATION
To: ACACIA RESEARCH GROUP LLC
Reel/Frame 029013/0427 →
Assignment of Assignor's Interest
Sep 24, 2012
From: ACACIA RESEARCH GROUP LLC
To: HVAC MODULATION TECHNOLOGIES LLC
Reel/Frame 029013/0580 →