IP Library › Assignment 018900/0972
Patent Assignment
Reel/Frame 018900/0972

Assignment of Assignor's Interest

Recorded: 2007-02-08 Pages: 4
Assignors
SHEN, YUELIN
Executed: 2007-01-11
ZHANG, YOUHE (JOHN)
Executed: 2007-01-11
JANSSEN, MICHAEL
Executed: 2006-12-15
Assignee
SMITH INTERNATIONAL, INC.
16740 HARDY STREET, HOUSTON, TEXAS, 77032
Covered Property (1)
Cutting Elements Having Cutting Edges with Continuous Varying Radii and Bits Incorporating the Same
Patent: 8,499,860 →
Application: 11/638,934 →
Publication: US 2007/0131458
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 28, 2021
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 056077/0550 →