Guardian Technologies, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Guardian Technologies, Inc..The latest application filed is for "tamper indicating transmitter".
- Guardian Technologies, Inc. - Cincinnati OH
- Guardian Technologies, Inc. - Denver CO
| Patent | Date |
|---|---|
| Tamper indicating transmitter Grant 5,117,222 - McCurdy , et al. May 26, 1 | 1992-05-26 |
| Remote confinement system Grant 4,999,613 - Williamson , et al. March 12, 1 | 1991-03-12 |
| Remote confinement system with timed tamper signal reset Grant 4,980,671 - McCurdy December 25, 1 | 1990-12-25 |
| Remote confinement monitoring station and system incorporating same Grant 4,916,435 - Fuller April 10, 1 | 1990-04-10 |
| Apparatus and method for avoiding circumvention of an identity confirming breath tester Grant 4,914,038 - Jewitt April 3, 1 | 1990-04-03 |
| Sobriety interlock with service reminder Grant 4,912,458 - Comeau , et al. March 27, 1 | 1990-03-27 |
| Apparatus and method to deter circumvention of a breath sobriety test Grant 4,902,628 - Blair February 20, 1 | 1990-02-20 |
| Breath analyzer mouthpiece system Grant 4,900,514 - Fuller February 13, 1 | 1990-02-13 |
| Sobriety interlock with bypass detection Grant 4,901,058 - Comeau , et al. February 13, 1 | 1990-02-13 |
| Breath sample receiving mouthpiece Grant D304,232 - Fuller October 24, 1 | 1989-10-24 |
| Remote confinement system Grant 4,843,377 - Fuller , et al. June 27, 1 | 1989-06-27 |
| Sobriety interlock with unsupervised confirmation of operator identity Grant 4,738,333 - Collier , et al. April 19, 1 | 1988-04-19 |
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