Patent Assignment
Reel/Frame 055843/0868
Assignment of Assignor's Interest
Recorded: 2021-04-06
Pages: 4
Assignor
PARKS, DAVID C
Executed: 2016-10-21
Assignee
JDP ENGINEERING AND MACHINE INC
12 CRESTMONT WAY SW, CALGARY, T3B526, CANADA
Covered Property
(1)
Single Charge Perforation Gun and System
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 6, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055843/0856 →
Assignment of Assignor's Interest
Apr 6, 2021
From: JDP ENGINEERING AND MACHINE INC
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055843/0861 →
Assignment of Assignor's Interest
Apr 6, 2021
From: PREISS, FRANK H; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 055843/0887 →
Assignment of Assignor's Interest
Apr 6, 2021
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 055843/0900 →
Assignment of Assignor's Interest
Apr 6, 2021
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 055843/0914 →
Assignment of Assignor's Interest
Apr 6, 2021
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055848/0381 →
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 →