Spinazzola; David Michael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Spinazzola; David Michael.The latest application filed is for "one touch drum tuning system".
- Spinazzola; David Michael - Sammamish WA US
| Patent | Date |
|---|---|
| One touch drum tuning system Grant 10,269,334 - Spinazzola | 2019-04-23 |
| One Touch Drum Tuning System App 20170270900 - SPINAZZOLA; DAVID MICHAEL | 2017-09-21 |
| One Touch Drum Tuning System App 20170053629 - SPINAZZOLA; DAVID MICHAEL | 2017-02-23 |
| One Touch Drum Tuning System App 20150170622 - Spinazzola; David Michael | 2015-06-18 |
| One touch drum tuning components Grant 9,053,685 - Spinazzola , et al. June 9, 2 | 2015-06-09 |
| One touch drum tuning system Grant 8,912,416 - Spinazzola December 16, 2 | 2014-12-16 |
| One Touch Drum Tuning Components App 20140053708 - Spinazzola; David Michael ; et al. | 2014-02-27 |
| One Touch Drum Tuning System App 20140026732 - Spinazzola; David Michael | 2014-01-30 |
| Rotation activated drum tuning system Grant 7,501,567 - Spinazzola March 10, 2 | 2009-03-10 |
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