IP Library Assignment 053631/0148
Patent Assignment
Reel/Frame 053631/0148

Assignment of Assignor's Interest

Recorded: 2020-08-28 Pages: 6
Assignors
NIGG, BROCK L.
Executed: 2020-08-14
SCHLANGER, STEVE
Executed: 2020-08-24
ABLESON, FRANK
Executed: 2020-08-24
Assignee
INTEGRATED ENERGY SERVICES CORPORATION
450 LEXINGTON AVENUE, 4TH FLOOR, NEW YORK, NEW YORK, 10017
Covered Property (1)
System and Method for Assuring Building Air Quality
Application: 17/006,178 →
Publication: US 2021/0071894
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Dec 17, 2025
From: INTEGRATED ENERGY SERVICES CORPORATION
To: INTEGRATED ENERGY SERVICES, LLC
Reel/Frame 073247/0512 →
Patent Security Agreement Dec 29, 2025
From: INTEGRATED ENERGY SERVICES, LLC
To: OFS AGENCY SERVICES, LLC
Reel/Frame 074106/0710 →