IP Library Assignment 023217/0404
Patent Assignment
Reel/Frame 023217/0404

Assignment of Assignor's Interest

Recorded: 2009-09-11 Pages: 3
Assignor
MASSE, MICHEL
Executed: 2009-05-05
Assignee
SIMSMART TECHNOLOGIES INC.
4, PLACE DU COMMERCE, SUITE 100, BROSSARD, QUEBEC, J4W3B3, 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.
Merger Nov 3, 2015
From: SIMSMART TECHNOLOGIES INC.
To: HOWDEN ALPHAIR VENTILATING SYSTEMS INC.
Reel/Frame 036947/0637 →
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 →