Ashdown; Michael B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ashdown; Michael B..The latest application filed is for "interface protocol method for use in a frequency hopping radio system having first hopping code for synchronization and second hopping code for communication".
- Ashdown; Michael B. - High Wycombe GB2
- Ashdown; Michael B. - Kingshill GB2
| Patent | Date |
|---|---|
| Interface protocol method for use in a frequency hopping radio system having first hopping code for synchronization and second hopping code for communication Grant 5,586,141 - Ashdown , et al. December 17, 1 | 1996-12-17 |
| Dual battery recharger with backup power feature for use in systems having a base unit and battery-powered portable unit Grant 5,578,875 - Dormer , et al. November 26, 1 | 1996-11-26 |
| Antenna assembly Grant 4,989,012 - Martensson , et al. January 29, 1 | 1991-01-29 |
| Retractable antenna Grant 4,920,352 - Martensson , et al. April 24, 1 | 1990-04-24 |
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