Vis; Arthur D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Vis; Arthur D..The latest application filed is for "tamper prevention device for fire hydrants".
- Vis; Arthur D. - Warren MI
| Patent | Date |
|---|---|
| Tamper prevention device for fire hydrants Grant 4,825,898 - Vis May 2, 1 | 1989-05-02 |
| Low contact force position sensing probe Grant 4,490,913 - Vis January 1, 1 | 1985-01-01 |
| Self-actuated displacement transducer Grant 4,292,740 - Vis , et al. October 6, 1 | 1981-10-06 |
| Optical position transducer Grant 4,110,611 - Tann , et al. August 29, 1 | 1978-08-29 |
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