Patent Assignment
Reel/Frame 012003/0822
Assignment of Assignor's Interest
Recorded: 2001-07-12
Pages: 3
Assignor
EICHORN, RONALD L.
Executed: 2001-07-10
Assignee
GAS RESEARCH INSTITUTE
8600 WEST BRYN MAWR AVENUE, CHICAGO, ILLINOIS, 60631
Covered Property
(1)
Constant Cfm Control Algorithm for an Air Moving System Utilizing a Centrifugal Blower Driven by an Induction Motor
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 →