Willoughby; Robert A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Willoughby; Robert A..The latest application filed is for "torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like".
- Willoughby; Robert A. - Mt. Washington OH
- Willoughby; Robert A. - Athens PA
| Patent | Date |
|---|---|
| Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like Grant 4,844,177 - Robinson , et al. July 4, 1 | 1989-07-04 |
| Automatic shut-off valve for power tools Grant 4,243,111 - Willoughby , et al. January 6, 1 | 1981-01-06 |
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