Patent Assignment
Reel/Frame 011739/0942
Assignment of Assignor's Interest
Recorded: 2001-04-20
Received: 2001-05-02
Pages: 2
Assignor
FERG, THOMAS E.
Executed: 2001-04-19
Assignee
PHILLIPS PETROLEUM COMPANY
4TH AND KEELER, BARTLESVILLE, OK, 74004, UNITED STATES
Covered Properties
(2)
Downhole Cementing System
Application:
09/839,521 →
Passive Optical Resonator with Mirror Structure Suppressing Higher Order Transverse Spatial Modes
Application:
09/833,139 →