IP Library › Assignment 032694/0550
Patent Assignment
Reel/Frame 032694/0550

Assignment of Assignor's Interest

Recorded: 2014-04-16 Pages: 5
Assignors
YONG, ZHOU
Executed: 2014-03-31
YIN, WEIQI
Executed: 2012-02-17
HEAD, BRADLEY J.
Executed: 2012-03-01
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD, HOUSTON, TEXAS, 77073
Covered Property (1)
Drill Bit Having Geometrically Sharp Inserts
Patent: 9,212,523 →
Application: 13/309,389 →
Publication: US 2013/0140093
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 5, 2012
From: ZHOU, YONG; YIN, WEIQI; HEAD, BRADLEY J.
To: SMITH INTERNATIONAL, INC.
Reel/Frame 027802/0498 →