Patent Assignment
Reel/Frame 008932/0272
Assignment of Assignor's Interest
Recorded: 1998-01-29
Pages: 2
Assignors
CARBONE, PHILIP
Executed: 1997-09-25
BENEDEK, KAREN
Executed: 1997-09-25
FARINA, MICHAEL J.
Executed: 1997-09-25
Assignee
GAS RESEARCH INSTITUTE
8600 WEST BRYN MAWR AVE., CHICAGO, ILLINOIS, 60631
Covered Property
(1)
Gas Burner Apparatus Having a Flame Holder Structure with a Contoured Surface
Patent:
5,899,686 →
Application:
08/912,767 →
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 →