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Patent applications and USPTO patent grants for Stefan; Barth.The latest application filed is for "laser instrument".
Patent | Date |
---|---|
Rotary construction laser Grant 8,567,078 - Stefan , et al. October 29, 2 | 2013-10-29 |
Laser instrument Grant 8,061,046 - Stefan , et al. November 22, 2 | 2011-11-22 |
Rotary Construction Laser App 20100031521 - STEFAN; Barth ;   et al. | 2010-02-11 |
Laser Instrument App 20100031520 - Stefan; Barth ;   et al. | 2010-02-11 |
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