Hulls; Leonard R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hulls; Leonard R..The latest application filed is for "absolute position coordinate determining device employing a single phase difference measurement to determine cursor position".
- Hulls; Leonard R. - North Falmouth MA
- Hulls; Leonard R. - Marblehead MA
| Patent | Date |
|---|---|
| Absolute position coordinate determining device employing a single phase difference measurement to determine cursor position Grant 4,552,991 - Hulls November 12, 1 | 1985-11-12 |
| Alternator test apparatus and method Grant 4,178,546 - Hulls , et al. December 11, 1 | 1979-12-11 |
| Identification of engine cylinder having fault Grant 4,133,205 - Hulls , et al. January 9, 1 | 1979-01-09 |
| Sampling and dilution method Grant 3,965,749 - Hadden , et al. June 29, 1 | 1976-06-29 |
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