Doman; Darrel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doman; Darrel.The latest application filed is for "toroidal engine".
- Doman; Darrel - Halifax CA
| Patent | Date |
|---|---|
| Toroidal engine Grant 9,890,701 - Murphy , et al. February 13, 2 | 2018-02-13 |
| Toroidal Engine App 20140294646 - Murphy; Braden ; et al. | 2014-10-02 |
| Toroidal engine Grant 8,695,564 - Murphy , et al. April 15, 2 | 2014-04-15 |
| Toroidal Engine App 20110185998 - MURPHY; Braden ; et al. | 2011-08-04 |
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