IP Library Assignment 013495/0542
Patent Assignment
Reel/Frame 013495/0542

Assignment of Assignor's Interest

Recorded: 2002-11-18 Pages: 7
Assignors
APPEL, MICHAEL
Executed: 2002-09-03
KALAR, RICHARD
Executed: 2002-09-03
VAN SOMEREN, ROSS
Executed: 2002-10-30
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600, HOUSTON, TEXAS, 77027
Covered Property (1)
Clamping-Hook Ring
Patent: 6,761,821 →
Application: 10/205,008 →
Publication: US 2004/0055947
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 1, 2013
From: WEATHERFORD/LAMB, INC.
To: JOHNSON SCREENS, INC.
Reel/Frame 029903/0827 →