Stone; Robert A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stone; Robert A..The latest application filed is for "helicopter air-spring vibration absorber".
- Stone; Robert A. - Sandy Hook CT
- Stone; Robert A. - Arlington VA
- Stone; Robert A. - Stratford CT
| Patent | Date |
|---|---|
| Helicopter air-spring vibration absorber Grant 4,596,513 - Carlson , et al. June 24, 1 | 1986-06-24 |
| Freewheel ramp/roller clutch with positive lock-out Grant 4,531,620 - Stone July 30, 1 | 1985-07-30 |
| Vibration isolation system Grant 4,405,101 - Carlson , et al. September 20, 1 | 1983-09-20 |
| Cooled infrared suppressor Grant 3,981,448 - Demogenes , et al. September 21, 1 | 1976-09-21 |
| Replaceable freewheel unit for helicopters Grant 3,942,387 - Stone , et al. March 9, 1 | 1976-03-09 |
| Telescoping Rotor Shaft Grant 3,581,624 - Stone , et al. June 1, 1 | 1971-06-01 |
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