IP Library Assignment 024027/0588
Patent Assignment
Reel/Frame 024027/0588

Assignment of Assignor's Interest

Recorded: 2010-03-04 Pages: 3
Assignors
MARSHALL, JONATHAN, MR.
Executed: 2008-07-23
DAHLGREN, SCOTT, MR.
Executed: 2010-01-18
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property (1)
Drill Bit Porting System
Patent: 7,730,975 →
Application: 12/178,467 →
Publication: US 2008/0302572
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 24, 2010
From: HALL, DAVID R., MR.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 023973/0886 →