Patent Assignment
Reel/Frame 031459/0751
Assignment of Assignor's Interest
Recorded: 2013-10-23
Pages: 2
Assignors
WILLIAMS, STEPHEN
Executed: 2009-01-19
ESTIBAN, MARWAN E
Executed: 2009-01-19
GAVIN, JAMESON P
Executed: 2009-01-19
Assignee
RESEARCH PRODUCTS CORPORATION
1015 EAST WASHINGTON AVENUE, PO BOX 1467, MADISON, WISCONSIN, 53701-1467
Covered Property
(1)
System and Methods for Actively Controlling an Hvac System Based on Air Cleaning Requirements
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Oct 6, 2025
From: RESEARCH PRODUCTS CORPORATION; DRI-STEEM CORPORATION; EWC CONTROLS, LLC
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 073007/0564 →
Patent Security Agreement
Oct 15, 2025
From: RESEARCH PRODUCTS CORPORATION; DRI-STEEM CORPORATION; EWC CONTROLS, LLC
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 073109/0707 →
Assignment of Patent Security Agreement, Recorded on October 15, 2025 at Reel/Frame 73109/0707
Jul 16, 2026
From: GOLDMAN SACHS BANK USA, AS EXISTING AGENT
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR AGENT
Reel/Frame 075998/0444 →