Patent Assignment
Reel/Frame 059922/0248
Assignment of Assignor's Interest
Recorded: 2022-05-16
Pages: 4
Assignor
DUFFY, WILLIAM CHRISTOPHER
Executed: 2021-03-12
Assignee
DURASYSTEMS BARRIERS INC.
199 COURTLAND AVENUE, VAUGHAN, L4K 4T2, CANADA
Covered Property
(1)
Fire-Rated Ventilation Duct and Improvements Therein
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.