IP Library › Granted Patent US 6,588,515
Granted Patent Utility
US 6,588,515 · App. 10/015,089

Drill bit for directional drilling

Inventors: Steven W. Wentworth, Robert F. Crane
Patented Case View Patent ↗
Granted: Jul 8, 2003 Filed: Oct 26, 2001
Inventors
Steven W. Wentworth
Robert F. Crane
Assignee (at issue)
Earth Tool Company LLC

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Quick Facts
Patent No.
US 6,588,515
App. No.
10/015,089
Filed
2001-10-26
Granted
2003-07-08
Kind
B2