Stryffeler; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stryffeler; David.The latest application filed is for "system and method of detecting dull and worn cutter bits".
- Stryffeler; David - Franklin PA
- Stryffeler; David - Frankln PA
| Patent | Date |
|---|---|
| System and method of detecting dull and worn cutter bits Grant 10,227,869 - Doheny, II , et al. | 2019-03-12 |
| System And Method Of Detecting Dull And Worn Cutter Bits App 20180163538 - Doheny, II; Edward L. ; et al. | 2018-06-14 |
| System and method of detecting dull and worn cutter bits Grant 9,920,624 - Doheny, II , et al. March 20, 2 | 2018-03-20 |
| System And Method Of Detecting Dull And Worn Cutter Bits App 20160298452 - Doheny, II; Edward L. ; et al. | 2016-10-13 |
| Method of controlling a miner to cause wobble in the cutting heads Grant 8,967,728 - Stryffeler , et al. March 3, 2 | 2015-03-03 |
| Method Of Controlling A Miner To Cause Wobble In The Cutting Heads App 20120187743 - Stryffeler; David ; et al. | 2012-07-26 |
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