IP Library › Assignment 031230/0758
Patent Assignment
Reel/Frame 031230/0758

Corrective Assignment to Correct the Serial Number 12616377 to 12619377 Previously Recorded on Reel 023982 Frame 0922. Assignor(S) Hereby Confirms the Assignment.

Recorded: 2013-09-18 Pages: 24
Assignor
HALL, DAVID R.
Executed: 2010-01-22
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property (1)
Fixed Bladed Bit That Shifts Weight Between an Indenter and Cutting Elements
Patent: 8,616,305 →
Application: 12/619,377 →
Publication: US 2010/0089648
Related Assignments (3)
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 023982/0922 →
Assignment of Assignor's Interest Mar 4, 2010
From: CROCKETT, RONALD B., MR.; SMITH, MARCUS, MR.; LEANY, FRANCIS, MR.; WEBB, CASEY, MR.
To: HALL, DAVID R., MR.
Reel/Frame 024029/0201 →
Assignment of Assignor's Interest May 9, 2013
From: HALL, DAVID R.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 030386/0878 →