Derby; Robert E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Derby; Robert E..The latest application filed is for "cordless hair cutter with improved energy storage".
- Derby; Robert E. - Racine WI
| Patent | Date |
|---|---|
| Cordless Hair Cutter with Improved Energy Storage App 20200384661 - Tringali; Richard J. ; et al. | 2020-12-10 |
| Hair Clipper with Light Source App 20080250645 - Tringali; Richard J. ; et al. | 2008-10-16 |
| Hair trimmer App 20060174487 - Andis; Matthew L. ; et al. | 2006-08-10 |
| Hair trimmer App 20060162516 - Andis; Matthew L. ; et al. | 2006-07-27 |
| Controller for hand-held electrical device for cutting hair App 20060059696 - Derby; Robert E. ; et al. | 2006-03-23 |
| Hair trimmer App 20060011028 - Andis; Matthew L. ; et al. | 2006-01-19 |
| Hair trimmer Grant 6,948,248 - Andis , et al. September 27, 2 | 2005-09-27 |
| Hair trimmer App 20040083613 - Andis, Matthew L. ; et al. | 2004-05-06 |
| Rechargeable hair clipper assembly Grant 6,112,414 - Andis , et al. September 5, 2 | 2000-09-05 |
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