Patent Assignment
Reel/Frame 055359/0131
Assignment of Assignor's Interest
Recorded: 2021-02-22
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:
49,087 →
Application:
16/261,258 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.