Patent Assignment
Reel/Frame 028167/0033
Assignment of Assignor's Interest
Recorded: 2012-05-07
Pages: 3
Assignee
EXFO INC.
400, AVE GODIN, QUEBEC, QC, G1M 2K2, CANADA
Covered Property
(1)
Reference-Based in-Band Osnr Measurement on Polarization-Multiplexed Signals
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →