Farstad; Arnold J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Farstad; Arnold J..The latest application filed is for "swimmer location monitor".
- Farstad; Arnold J. - Boulder CO
- Farstad; Arnold J. - North Glen CO
| Patent | Date |
|---|---|
| Swimmer location monitor Grant 5,907,281 - Miller, Jr. , et al. May 25, 1 | 1999-05-25 |
| Tunnel roof monitor employing an induction coil extensometer Grant 4,271,407 - Kehrman , et al. June 2, 1 | 1981-06-02 |
| Wireless FSK technique for telemetering underground data to the surface Grant 4,090,135 - Farstad , et al. May 16, 1 | 1978-05-16 |
| Multichannel system for seismic signature determination Grant 3,913,085 - Farstad October 14, 1 | 1975-10-14 |
| Inductive Loop Through-the-earth Communication System Grant 3,740,488 - Linfield , et al. June 19, 1 | 1973-06-19 |
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