Patent Assignment
Reel/Frame 031716/0282
Assignment of Assignor's Interest
Recorded: 2013-12-04
Pages: 8
Assignors
ZHAN, GUODONG
Executed: 2013-01-22
ROTHROCK, WALTER R.
Executed: 2013-01-30
DHALL, PARUL WALIA
Executed: 2013-01-22
NIXON, MICHAEL S.
Executed: 2013-11-19
MATTHIAS, TERRY R.
Executed: 2013-03-04
Assignee
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE, HOUSTON, TEXAS, 77036
Covered Properties
(2)
Systems and Methods for Vapor Pressure Leaching Polycrystalline Diamond Cutter Elements
Methods for Vapor Pressure Leaching Polycrystalline Diamond Cutter Elements
Application:
61/723,529 →