Patent Assignment
Reel/Frame 067276/0564
Assignment of Assignor's Interest
Recorded: 2024-04-30
Pages: 4
Assignors
KEYES, CULLEN CRAIG
Executed: 2024-02-14
JANKE, IAN GRAHAM
Executed: 2024-02-14
GRIFFIN, LAWRENCE GENE
Executed: 2024-02-14
Assignee
DEFIANT ENGINEERING, LLC
828 FM 1960 RD, HOUSTON, TEXAS, 77073
Covered Property
(1)
Kinetic Energy Perforating Round and Methods of Use
Application:
63/554,050 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 12, 2024
From: DEFIANT ENGINEERING, LLC
To: GRIFFIN, LAWRENCE G.; RIGDON, LARRY
Reel/Frame 067089/0847 →
Change of Name
Nov 5, 2025
From: DEFIANT ENGINEERING, LLC
To: DEFIANT PRECISION TECHNOLOGIES, LLC
Reel/Frame 073486/0252 →
Change of Name
Nov 19, 2025
From: DEFIANT ENGINEERING, LLC
To: DEFIANT PRECISION TECHNOLOGIES, LLC
Reel/Frame 073606/0433 →