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Patent applications and USPTO patent grants for Coombs; Perry L..The latest application filed is for "translating turret rock bolter".
Patent | Date |
---|---|
Modular mine service vehicle Grant 7,441,809 - Coombs , et al. October 28, 2 | 2008-10-28 |
Translating turret rock bolter Grant 6,698,529 - Coombs , et al. March 2, 2 | 2004-03-02 |
Bolt centralizer Grant 6,598,309 - Coombs July 29, 2 | 2003-07-29 |
Translating turret rock bolter App 20030066665 - Coombs, Perry L. ;   et al. | 2003-04-10 |
Resin nozzle positioner Grant 6,447,210 - Coombs September 10, 2 | 2002-09-10 |
Resin Nozzle Positioner App 20020119014 - Coombs, Perry L. | 2002-08-29 |
Bolt delivery system with linear bolt magazine Grant 5,720,582 - Morrison , et al. February 24, 1 | 1998-02-24 |
Tool base securing system Grant 5,690,449 - Morrison , et al. November 25, 1 | 1997-11-25 |
Rock bolter Grant 5,556,235 - Morrison , et al. September 17, 1 | 1996-09-17 |
Resin injector system Grant 5,494,380 - Morrison , et al. February 27, 1 | 1996-02-27 |
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