Patent Assignment
Reel/Frame 019862/0543
Assignment of Assignor's Interest
Recorded: 2007-09-21
Pages: 2
Assignee
TR TECHNOLOGIES INC.
7TH FLOOR, 9107 - 116 STREET, NW, EDMONTON, ALBERTA, T6G 2V4, CANADA
Covered Property
(1)
Multi-Tiered Quantization of Channel State Information in Multiple Antenna Systems
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Misspelling of Inventor Krzymien's Last Name in the Recordation Cover Sheet from <Kryzmien> to <Krzymien>, Previously Recorded on Reel 019862 Frame 0543. Assignor(S) Hereby Confirms the Assignment of Their Application No. 11/852,240, Filed September 7, 2007, to Tr Technologies Inc.
Sep 21, 2007
From: MIELCZAREK, BARTOSZ; KRZYMIEN, WITOLD A.
To: TR TECHNOLOGIES INC.
Reel/Frame 019863/0538 →
Assignment of Assignor's Interest
Jun 25, 2009
From: TR TECHNOLOGIES INC.
To: WI-LAN INC.
Reel/Frame 022877/0320 →
Assignment of Assignor's Interest
Jul 29, 2011
From: TR TECHNOLOGIES INC.
To: WI-LAN INC.
Reel/Frame 026675/0518 →
Merger and Change of Name
Jun 20, 2017
From: WI-LAN INC.; QUARTERHILL INC.
To: QUARTERHILL INC.
Reel/Frame 042914/0632 →
Assignment of Assignor's Interest
Jul 12, 2017
From: QUARTERHILL INC.
To: WI-LAN INC.
Reel/Frame 043168/0294 →