Directional boring bit
Description
Claims
The ornamental design for a directional boring bit, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D630233
Type: Grant
Filed: Jul 16, 2010
Date of Patent: Jan 4, 2011
Inventors: Douglas R. Ford (Cedar Hill, MO), Ben Edward Hoffman, III (Cedar Hill, MO)
Primary Examiner: Patricia Palasik
Attorney: Kevin L. Klug
Application Number: 29/365,969
Type: Grant
Filed: Jul 16, 2010
Date of Patent: Jan 4, 2011
Inventors: Douglas R. Ford (Cedar Hill, MO), Ben Edward Hoffman, III (Cedar Hill, MO)
Primary Examiner: Patricia Palasik
Attorney: Kevin L. Klug
Application Number: 29/365,969
Classifications