Joyce, Jr.; Douglas D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Joyce, Jr.; Douglas D..The latest application filed is for "air cushion vehicle with selectively operable surface traction means".
- Joyce, Jr.; Douglas D. - Williamsville NY
| Patent | Date |
|---|---|
| Air Cushion Vehicle With Selectively Operable Surface Traction Means Grant 3,786,893 - Joyce, Jr. , et al. January 22, 1 | 1974-01-22 |
| Air Cushion Seal Grant 3,756,343 - Joyce, Jr. September 4, 1 | 1973-09-04 |
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