Heintz; David G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heintz; David G..The latest application filed is for "musical instrument training device with multiple mouthpieces".
- Heintz; David G. - Pike NH
- Heintz; David G. - Pike Grafton County
| Patent | Date |
|---|---|
| Mouthpiece for single reed woodwind instrument Grant 7,638,700 - Heintz December 29, 2 | 2009-12-29 |
| Musical instrument training device with multiple mouthpieces Grant 7,465,864 - Heintz December 16, 2 | 2008-12-16 |
| Musical instrument training device with multiple mouthpieces App 20080087159 - Heintz; David G. | 2008-04-17 |
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