Patent Assignment
Reel/Frame 048654/0450
Assignment of Assignor's Interest
Recorded: 2019-03-20
Pages: 3
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)
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
Mar 20, 2019
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 048654/0434 →
Assignment of Assignor's Interest
Mar 20, 2019
From: PREISS, FRANK H.; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 048654/0416 →
Assignment of Assignor's Interest
Mar 20, 2019
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 048654/0428 →
Assignment of Assignor's Interest
Jan 24, 2020
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 051691/0453 →
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
Dec 8, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 058332/0340 →
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 →