Petrin; Jeffrey C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Petrin; Jeffrey C..The latest application filed is for "musical instrument training device and method".
- Petrin; Jeffrey C. - Algonquin IL US
- Petrin; Jeffrey C. - Arlington Heights IL
| Patent | Date |
|---|---|
| Musical instrument training device and method Grant 9,601,028 - Claps , et al. March 21, 2 | 2017-03-21 |
| Musical Instrument Training Device And Method App 20160071430 - Claps; Paul G. ; et al. | 2016-03-10 |
| Apparatus for scanning colored registration marks Grant 5,917,192 - Siler , et al. June 29, 1 | 1999-06-29 |
| Apparatus for scanning colored registration marks Grant 5,828,075 - Siler , et al. October 27, 1 | 1998-10-27 |
| Pre-registration system for a printing press Grant 5,771,811 - Siler , et al. June 30, 1 | 1998-06-30 |
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