Patent Assignment
Reel/Frame 064739/0553
Assignment of Assignor's Interest
Recorded: 2023-08-29
Pages: 3
Assignor
CRAMER, DAVID
Executed: 2023-08-29
Assignee
BLACK DIAMOND OILFIELD RENTALS, LLC
9595 SIX PINES DRIVE, NO. 8210, THE WOODLANDS, TEXAS, 77380
Covered Property
(1)
System, Method and Apparatus for Orifice Retention and Replacement in a Bottom Hole Assembly
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 29, 2023
From: MILLER, KENNETH C.; HOWARD, STEVEN PAUL
To: ERDOS MILLER, INC.
Reel/Frame 064739/0548 →
Assignment of Assignor's Interest
Nov 9, 2023
From: CRAMER, DAVID
To: ERDOS MILLER, INC.
Reel/Frame 065513/0682 →
Assignment of Assignor's Interest
Nov 10, 2023
From: MILLER, KENNETH C.; HOWARD, STEVEN PAUL
To: BLACK DIAMOND OILFIELD RENTALS LLC
Reel/Frame 065527/0209 →
Security Interest
Jul 18, 2025
From: BLACK DIAMOND OILFIELD RENTALS LLC
To: CALLODINE COMMERCIAL FINANCE, LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 071764/0236 →