Patent Assignment
Reel/Frame 027256/0920
Assignment of Assignor's Interest
Recorded: 2011-11-21
Pages: 5
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN RD.,, HOUSTON, TEXAS, 77073
Covered Property
(1)
Multiple Ball- Ball Seat for Hydraulic Fracturing with Reduced Pumping Pressure