U.S. patent number D627,805 [Application Number D/312,124] was granted by the patent office on 2010-11-23 for spade type boring bit. This patent grant is currently assigned to Robert Bosch GmbH. Invention is credited to Hagen Walter Dost, Javier Ibarra, Patrick Michael McAuliffe, Kenneth C. Osberg.
United States Patent | D627,805 |
Dost , et al. | November 23, 2010 |
Inventors: | Dost; Hagen Walter (Chicago, IL), Ibarra; Javier (Schaumburg, IL), McAuliffe; Patrick Michael (Chicago, IL), Osberg; Kenneth C. (Lake in the Hills, IL) |
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Assignee: | Robert Bosch GmbH (Stuttgart,
DE) |
Appl. No.: | D/312,124 |
Filed: | September 30, 2008 |
Current U.S. Class: | D15/139 |
Current International Class: | 1509 |
Field of Search: | ;D15/138,139,140 ;408/211-214,225-230 |
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