IP Library Assignment 057475/0292
Patent Assignment
Reel/Frame 057475/0292

Assignment of Assignor's Interest

Recorded: 2021-09-14 Pages: 6
Assignor
FREE AIR, INC.
Executed: 2017-11-30
Assignee
CELIOS CORPORATION
401 EDGEWATER PLACE, SUITE 190, WAKEFIELD, MASSACHUSETTS, 01880
Covered Properties (2)
Systems and Methods for Removing Ultra-Fine Particles from Air
Application: 15/316,376 →
Publication: US 2017/0189727
Systems and Methods for Air Filtration Monitoring
Application: 15/510,534 →
Publication: US 2017/0246486
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 28, 2021
From: FREE AIR, INC.
To: CELIOS CORPORATION
Reel/Frame 057947/0232 →
Assignment of Assignor's Interest Sep 6, 2022
From: CELIOS CORPORATION
To: DSS PUREAIR, INC.
Reel/Frame 060999/0353 →