U.S. patent number D669,772 [Application Number D/388,967] was granted by the patent office on 2012-10-30 for coated mine roof bolt. This patent grant is currently assigned to Rhino Technologies LLC. Invention is credited to William G. Fox.
United States Patent | D669,772 |
Fox | October 30, 2012 |
Inventors: | Fox; William G. (White Plains, KY) |
---|---|
Assignee: | Rhino Technologies LLC
(Lexington, KY) |
Appl. No.: | D/388,967 |
Filed: | April 5, 2011 |
Current U.S. Class: | D8/387 |
Current International Class: | 0808 |
Field of Search: | ;D8/387,388,391 ;411/378-379,393-394,411,402-405,178,184,188,412,481,387.1 ;52/156-157 ;248/156,545 |
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