Jansen; Bernard L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jansen; Bernard L..The latest application filed is for "emergency alarm method and system utilizing cross cueing and ranging techniques".
- Jansen; Bernard L. - Northport NY
- Jansen; Bernard L. - Denver CO
| Patent | Date |
|---|---|
| Emergency alarm method and system utilizing cross cueing and ranging techniques Grant 4,746,912 - Clifford , et al. May 24, 1 | 1988-05-24 |
| Emergency signalling unit and alarm system for rescuing endangered workers Grant 4,468,656 - Clifford , et al. August 28, 1 | 1984-08-28 |
| Telephone privacy device Grant 4,074,078 - Jansen February 14, 1 | 1978-02-14 |
| Power loss indicator Grant 3,987,426 - Jansen October 19, 1 | 1976-10-19 |
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