Patent Assignment
Reel/Frame 052542/0120
Assignment of Assignor's Interest
Recorded: 2020-04-30
Pages: 4
Assignor
PARKS, DAVID C.
Executed: 2016-10-21
Assignee
JDP ENGINEERING AND MACHINE INC
12 CRESTMONT WAY SW, CALGARY, T3B 5Z6, CANADA
Covered Property
(1)
Tandem Sub
Patent:
904,475 →
Application:
29/733,080 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 30, 2020
From: PREISS, FRANK H.; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 052542/0039 →
Assignment of Assignor's Interest
Apr 30, 2020
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 052542/0056 →
Assignment of Assignor's Interest
Apr 30, 2020
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 052542/0086 →
Assignment of Assignor's Interest
Apr 30, 2020
From: JDP ENGINEERING AND MACHINE INC.
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 052542/0244 →
Assignment of Assignor's Interest
Apr 30, 2020
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 052545/0563 →
Confirmatory Patent Rights Assignment
Feb 20, 2025
From: SWM INTERNATIONAL LLC; JDP ENGINEERING & MACHINE INC.; PELICAN ENERGY PARTNERS III LP
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 070287/0448 →