Patent Assignment
Reel/Frame 032889/0604
Assignment of Assignor's Interest
Recorded: 2014-05-14
Pages: 7
Assignor
QUEEN'S UNIVERSITY AT KINGSTON
Executed: 2013-07-18
Assignee
SPARQ SYSTEMS INC.
1625 BIOSCIENCES COMPLEX, KINGSTON, ON, K7L 3N6, CANADA
Covered Property
(1)
Dc-Ac Inverter with Soft Switching
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 14, 2014
From: GUPTA, VIDISHA; KHAJEHODDIN, SAYED ALI; JAIN, PRAVEEN K.
To: QUEEN'S UNIVERSITY AT KINGSTON
Reel/Frame 032889/0524 →
Security Interest
Sep 2, 2015
From: SPARQ SYSTEMS INC.
To: COMERICA BANK
Reel/Frame 036476/0088 →
Release of Security Interest
Nov 17, 2017
From: COMERICA BANK
To: SPARQ SYSTEMS INC.
Reel/Frame 044161/0493 →