Patent Assignment
Reel/Frame 063366/0369
Assignment of Assignor's Interest
Recorded: 2023-04-18
Pages: 5
Assignors
BLOIS, STANLEY JON
Executed: 2023-04-11
GRIFFIN, LAWRENCE GENE
Executed: 2023-04-13
JANKE, IAN GRAHAM
Executed: 2023-04-13
KEYES, CULLEN CRAIG
Executed: 2023-04-11
JONES, GARETH NICHOLAS
Executed: 2023-04-11
Assignee
DEFIANT ENGINEERING LLC
828 FM 1960, HOUSTON, TEXAS, 77073
Covered Property
(1)
Single or Multi-Fire Semi-Automatic Perforation System and Methods of Use
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 073485/0616 →
Change of Name
Nov 19, 2025
From: DEFIANT ENGINEERING, LLC
To: DEFIANT PRECISION TECHNOLOGIES, LLC
Reel/Frame 073606/0433 →