IP Library › Assignment 040006/0661
Patent Assignment
Reel/Frame 040006/0661

Assignment of Assignor's Interest

Recorded: 2016-10-13 Pages: 3
Assignor
TOWNSEND, MURRAY R.
Executed: 2015-10-26
Assignee
FOURTH DIMENSION DESIGNS LTD.
202-7603 104 STREET, EDMONTON, ALBERTA, T6E 4C3, 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 Jan 22, 2020
From: FOURTH DIMENSION DESIGNS LTD.
To: T-RAM CANADA, INC.
Reel/Frame 051582/0337 →
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 →