IP Library › Assignment 021414/0267
Patent Assignment
Reel/Frame 021414/0267

Assignment of Assignor's Interest

Recorded: 2008-08-05 Pages: 4
Assignors
DARNELL, WILLIAM J.
Executed: 2008-07-22
WINTILL, CHARLES D.
Executed: 2008-07-22
LONG, RODNEY W.
Executed: 2008-07-22
Assignee
PETROQUIP ENERGY SERVICES, LP
5005 WEST 34TH STREET, #101B, HOUSTON, TEXAS, 77092
Covered Property (1)
Formation Saver Sub and Method
Patent: 7,921,922 →
Application: 12/221,596 →
Publication: US 2010/0032155