Patent Assignment
Reel/Frame 069966/0565
Assignment of Assignor's Interest
Recorded: 2025-01-22
Pages: 4
Assignor
DUFFY, WILLIAM CHRISTOPHER
Executed: 2019-11-27
Assignee
DURASYSTEMS BARRIERS INC.
199 COURTLAND AVENUE, VAUGHAN, L4K 4T2, CANADA
Covered Property
(1)
Fire-Rated Modular Duct Assembly Suitable for Exhausting Flammable or Hazardous Gases, Vapours and Other Materials
Patent:
50,587 →
Application:
17/829,197 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 1, 2022
From: DUFFY, WILLIAM CHRISTOPHER
To: DURASYSTEMS BARRIERS INC.
Reel/Frame 060067/0660 →
Security Agreement
Jun 27, 2024
From: VAUGHANAIR CANADA ULC
To: M&T BANK
Reel/Frame 067944/0532 →
Assignment of Assignor's Interest
Jul 31, 2024
From: DURASYSTEMS BARRIERS INC.
To: VAUGHANAIR CANADA ULC
Reel/Frame 068137/0383 →