IP Library Assignment 047500/0017
Patent Assignment
Reel/Frame 047500/0017

Assignment of Assignor's Interest

Recorded: 2018-11-14 Pages: 3
Assignor
PREISS, FRANK HARON
Executed: 2017-11-20
Assignee
DYNAENERGETICS GMBH & CO. KG
KAISERSTRASSE 3, TROISDORF, 53840, GERMANY
Covered Property (1)
Hydraulic Underbalance Initiated Safety Firing Head, Well Completion Apparatus Incorporating Same, and Method of Use
Application: 16/190,465 →
Publication: US 2019/0162058
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: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 047499/0659 →
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 →