Wark; John D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wark; John D..The latest application filed is for "plaque removal brush".
- Wark; John D. - Freeport NY
| Patent | Date |
|---|---|
| Plaque removal brush Grant D252,597 - Holzwarth , et al. August 14, 1 | 1979-08-14 |
| Aerial Spinning Disc Grant 3,580,580 - Wark , et al. May 25, 1 | 1971-05-25 |
| Method Of Fracturing Sheet Material Grant 3,567,086 - Wark , et al. March 2, 1 | 1971-03-02 |
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