Patent Assignment
Reel/Frame 041929/0234
Assignment of Assignor's Interest
Recorded: 2017-04-07
Pages: 7
Assignors
YANG, WENBO
Executed: 2016-10-24
SNIDER, PHILIP M
Executed: 2016-10-21
HARDESTY, JOHN T
Executed: 2016-10-20
WESSON, DAVID S
Executed: 2016-10-20
Assignee
GEODYNAMICS, INC.
10500 W INTERSTATE 20, MILLSAP, TEXAS, 76066
Covered Properties
(2)
Constant Entrance Hole Perforating Gun System and Method
Patent:
9,765,601 →
Application:
15/481,683 →
Constant Entrance Hole Perforating Gun System and Method
Patent:
9,803,455 →
Application:
15/481,702 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →
Security Interest
Jan 29, 2026
From: OIL STATES ENERGY SERVICES, L.L.C.; OIL STATES INDUSTRIES, INC.; GEODYNAMICS, INC.; TEMPRESS TECHNOLOGIES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 074532/0194 →