IP Library › Assignment 036947/0637
Patent Assignment
Reel/Frame 036947/0637

Merger

Recorded: 2015-11-03 Pages: 7
Assignor
SIMSMART TECHNOLOGIES INC.
Executed: 2015-10-05
Assignee
HOWDEN ALPHAIR VENTILATING SYSTEMS INC.
20 ADELAIDE STREET EAST, SUITE 202, TORONTO, M5C 2T6, CANADA
Covered Property (1)
Optimized Mine Ventilation System
Patent: 9,551,218 →
Application: 12/530,808 →
Publication: US 2010/0105308
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 11, 2009
From: MASSE, MICHEL
To: SIMSMART TECHNOLOGIES INC.
Reel/Frame 023217/0404 →
Merger and Change of Name Dec 9, 2022
From: HOWDEN ALPHAIR VENTILATING SYSTEMS INC.; HOWDEN CANADA INC.
To: HOWDEN CANADA INC.
Reel/Frame 062044/0301 →