IP Library Assignment 020913/0811
Patent Assignment
Reel/Frame 020913/0811

Assignment of Assignor's Interest

Recorded: 2008-05-07 Pages: 3
Assignor
LOPUSHANSKY, RICHARD L.
Executed: 2008-03-14
Assignee
DAVIDSON ENERGY
8301 NEW TRAILS DRIVE, THE WOODLANDS, TEXAS, 77381
Covered Property (1)
Transducer for Measuring Environmental Parameters
Patent: 7,787,128 →
Application: 12/011,057 →
Publication: US 2008/0186506
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 26, 2009
From: DAVIDSON ENERGY, INC.; DAVIDSON INSTRUMENTS, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 022157/0305 →