Patent Assignment
Reel/Frame 013013/0437
Assignment of Assignor's Interest
Recorded: 2002-06-19
Received: 2002-06-26
Pages: 4
Assignor
RAYMOND, DAVID W.
Executed: 2001-01-31
Assignee
ENERGY, U.S. DEPARTMENT OF
1000 INDEPENDENCE AVENUE, S.W., WASHINGTON, DC, 20585, UNITED STATES
Covered Properties
(2)
Use of Anionic Dispersion Polymers as Viscosity Modifiers in Aqueous Drilling Fluids
Application:
10/173,253 →
Drill Bit Assembly for Releasably Retaining a Drill Bit Cutter
Application:
09/764,082 →