IP Library › Assignment 019621/0135
Patent Assignment
Reel/Frame 019621/0135

Assignment of Assignor's Interest

Recorded: 2007-07-30 Pages: 4
Assignors
HUANG, TIANPING
Executed: 2007-07-24
CREWS, JAMES B.
Executed: 2007-07-24
WILLINGHAM, JOHN R.
Executed: 2007-07-24
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property (1)
Concentrated Suspension of Particulate Additives for Fracturing and Other Fluids
Patent: 7,543,644 →
Application: 11/830,299 →
Publication: US 2008/0023201
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Amended and Restated Security Agreement Mar 1, 2012
From: CONNECTION TECHNOLOGY, L.L.C.; FASTORQ, L.L.C.; PRODUCTION MANAGEMENT INDUSTRIES, L.L.C.; SUPERIOR ENERGY SERVICES, L.L.C. (SUCCESSOR BY MERGER TO SUPERIOR WELL SERVICES, INC., CARDINAL SERVICES, INC. AND STEERABLE ROTARY TOOLS, INC.)
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 027793/0211 →