Patent Assignment
Reel/Frame 023399/0259
Assignment of Assignor's Interest
Recorded: 2009-10-21
Pages: 5
Assignors
GARIEPY, DANIEL
Executed: 2008-04-24
HE, GANG
Executed: 2008-04-22
BRETON, YVES
Executed: 2008-04-24
Assignee
EXFO ELECTRO-OPTICAL ENGINEERING INC.
400 GODIN AVENUE, QUEBEC (QUEBEC), G1M 2K2, CANADA
Covered Property
(1)
In-Band Optical Signal to Noise Ratio Determination Method and System
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Corporate Name of the Assignee as Requested by the Uspto (Document Id No.: 501308531) Previously Recorded on Reel 023399 Frame 0259. Assignor(S) Hereby Confirms the Assignee Should Read Exfo Inc. Instead of Exfo Electro-Optical Engineering Inc..
Oct 8, 2010
From: GARIEPY, DANIEL; HE, GANG; BRETON, YVES
To: EXFO INC.
Reel/Frame 025112/0545 →
Security Interest
Feb 27, 2018
From: EXFO INC.
To: NATIONAL BANK OF CANADA
Reel/Frame 045470/0202 →
Security Interest
Aug 8, 2025
From: EXFO INC. (A CORPORATION RESULTING FROM THE AMALGAMATION OF 11172239 CANADA INC. AND EXFO INC.); ONTOLOGY-PARTNERS LIMITED
To: NATIONAL BANK OF CANADA
Reel/Frame 072338/0500 →