Pham; Roger N. C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pham; Roger N. C..The latest application filed is for "vtol airplane with only one tiltable prop-rotor".
- Pham; Roger N. C. - Grand Prairie TX
| Patent | Date |
|---|---|
| VTOL airplane with only one tiltable prop-rotor Grant 6,382,556 - Pham May 7, 2 | 2002-05-07 |
| High performance fully-enclosed center-tracking vehicle Grant 6,170,847 - Pham January 9, 2 | 2001-01-09 |
| High performance fully-enclosed center-tracking vehicle Grant 6,056,078 - Pham May 2, 2 | 2000-05-02 |
| Easily-convertible fixed-wing roadable aircraft Grant 5,836,541 - Pham November 17, 1 | 1998-11-17 |
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