Patent Assignment
Reel/Frame 028525/0432
Assignment of Assignor's Interest
Recorded: 2012-07-10
Pages: 3
Assignor
VAN PETEGEM, RONALD
Executed: 2012-07-09
Assignee
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE, HOUSTON, TEXAS, 77056
Covered Properties
(2)
Multi-Zone Screened Frac System
Application:
13/545,908 →
Publication:
US 2013/0014953
Multi-Zone Screened Frac System
Application:
61/506,897 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.