IP Library Assignment 019316/0715
Patent Assignment
Reel/Frame 019316/0715

Assignment of Assignor's Interest

Recorded: 2007-05-20 Pages: 5
Assignors
ZUBRIN, ROBERT M
Executed: 2007-05-18
BERGGREN, MARK H
Executed: 2007-05-18
BRUINSMA, DOUWE
Executed: 2007-05-18
Assignee
PIONEER ENERGY, INC.
11111 WEST 8TH AVENUE, UNIT A, LAKEWOOD, COLORADO, 80215
Covered Property (1)
Portable and Modular System for Extracting Petroleum and Generating Power
Patent: 7,650,939 →
Application: 11/751,028 →
Publication: US 2008/0283247