IP Library › Assignment 051582/0337
Patent Assignment
Reel/Frame 051582/0337

Assignment of Assignor's Interest

Recorded: 2020-01-22 Pages: 3
Assignor
FOURTH DIMENSION DESIGNS LTD.
Executed: 2020-01-15
Assignee
T-RAM CANADA, INC.
SUITE 2-10902 92 AVE, GRANDE PRAIRIE, AB, T8V 6B5, CANADA
Covered Property (1)
Downhole Plunger with Spring-Biased Pads
Application: 15/292,576 →
Publication: US 2017/0107801
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 13, 2016
From: TOWNSEND, MURRAY R.
To: FOURTH DIMENSION DESIGNS LTD.
Reel/Frame 040006/0661 →
Assignment of Assignor's Interest Jan 24, 2020
From: T-RAM CANADA, INC.
To: WELL MASTER CORPORATION
Reel/Frame 051605/0525 →
Corrective Assignment to Correct the Correct Assignor's Name Previously Recorded at Reel: 051605 Frame: 0525. Assignor(S) Hereby Confirms the Assignment. Jan 29, 2020
From: T-RAM CANADA, ULC
To: WELL MASTER CORPORATION
Reel/Frame 051733/0381 →
Change of Name Mar 24, 2026
From: T-RAM CANADA, INC.
To: T-RAM CANADA, ULC
Reel/Frame 074173/0089 →
Security Interest Jun 4, 2026
From: WELL MASTER, LLC
To: WESTERN-SOUTHERN LIFE ASSURANCE COMPANY
Reel/Frame 074850/0529 →