Patent Assignment
Reel/Frame 047499/0659
Assignment of Assignor's Interest
Recorded: 2018-11-14
Pages: 4
Assignor
MULHERN, ERIC
Executed: 2017-11-21
Assignee
DYNAENERGETICS CANADA INC.
P.O. BOX 42130 MILLBOURNE, EDMONTON, T6K 4C4, CANADA
Covered Property
(1)
Hydraulic Underbalance Initiated Safety Firing Head, Well Completion Apparatus Incorporating Same, and Method of Use
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 14, 2018
From: PREISS, FRANK HARON
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 047500/0017 →
Assignment of Assignor's Interest
Nov 14, 2018
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 047534/0197 →
Assignment of Assignor's Interest
Feb 19, 2020
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 051968/0906 →