Patent Assignment
Reel/Frame 050519/0060
Assignment of Assignor's Interest
Recorded: 2019-09-27
Pages: 3
Assignor
PARKS, DAVID C.
Executed: 2016-10-21
Assignee
JDP ENGINEERING AND MACHINE INC
12 CRESTMONT WAY SW, CALGARY, T3B526, CANADA
Covered Property
(1)
Perforation Gun Components and System
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 27, 2019
From: PREISS, FRANK H.; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 050519/0446 →
Assignment of Assignor's Interest
Sep 27, 2019
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 050519/0150 →
Assignment of Assignor's Interest
Sep 27, 2019
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 050519/0238 →
Assignment of Assignor's Interest
Feb 19, 2020
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 051968/0906 →
Nunc Pro Tunc Assignment
Apr 27, 2020
From: JDP ENGINEERING AND MACHINE INC.
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 052499/0911 →
Assignment of Assignor's Interest
Nov 8, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 058042/0489 →
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 →