Patent Assignment
Reel/Frame 044187/0609
Assignment of Assignor's Interest
Recorded: 2017-11-21
Pages: 3
Assignor
WEBSTER, PAUL J.L.
Executed: 2013-04-25
Assignee
QUEEN'S UNIVERSITY AT KINGSTON
QUEEN'S UNIVERSITY, KINGSTON, ON, K7L 3N6, CANADA
Covered Property
(1)
Methods and Systems for Characterizing Laser Machining Properties by Measuring Keyhole Dynamics Using Interferometry
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 21, 2017
From: WEBSTER, PAUL J.L.
To: QUEEN'S UNIVERSITY AT KINGSTON
Reel/Frame 044187/0624 →
Assignment of Assignor's Interest
Jan 11, 2018
From: QUEEN'S UNIVERSITY AT KINGSTON
To: LASER DEPTH DYNAMICS INC.
Reel/Frame 044594/0954 →
Merger and Change of Name
Mar 14, 2018
From: LASER DEPTH DYNAMICS INC.; IPG PHOTONICS (CANADA) INC.
To: IPG PHOTONICS (CANADA) INC.
Reel/Frame 045206/0481 →
Assignment of Assignor's Interest
Mar 27, 2018
From: IPG PHOTONICS (CANADA) INC.
To: IPG PHOTONICS CORPORATION
Reel/Frame 045360/0683 →