IP Library Assignment 020420/0281
Patent Assignment
Reel/Frame 020420/0281

Assignment of Assignor's Interest

Recorded: 2008-01-25 Pages: 5
Assignors
HEARN, WILLIAM
Executed: 2008-01-23
CHRETIEN, TODD
Executed: 2008-01-24
Assignee
WEATHERFORD/LAMB INC.
515 POST OAK BLVD., HOUSTON, TEXAS, 77027
Covered Property (1)
Plunger Lift System for Well
Patent: 7,954,545 →
Application: 12/020,366 →
Publication: US 2009/0188673
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →