U.S. patent number D622,293 [Application Number D/352,055] was granted by the patent office on 2010-08-24 for spearhead. This patent grant is currently assigned to Longyear TM, Inc.. Invention is credited to Christopher L Drenth, George Ibrahim, Sacha Tillack.
United States Patent | D622,293 |
Drenth , et al. | August 24, 2010 |
**Please see images for: ( Certificate of Correction ) ** |
Inventors: | Drenth; Christopher L (Draper, UT), Ibrahim; George (Mississauga, CA), Tillack; Sacha (North Bay, CA) |
---|---|
Assignee: | Longyear TM, Inc. (South
Jordan, UT) |
Family ID: | 41315070 |
Appl. No.: | D/352,055 |
Filed: | December 15, 2009 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
12349431 | Jan 6, 2009 | ||||
Current U.S. Class: | D15/21 |
Current CPC Class: | E21B17/023 20130101; E21B31/18 20130101; E21B25/00 20130101 |
Current International Class: | 1503 |
Field of Search: | ;D15/21 ;175/57,246,58 ;166/98,99,179,206,382 ;294/86.1,86.13,86.34,86.14,86.15,86.16,86.24 |
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