Duncan Industries
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duncan Industries.The latest application filed is for "quick lock release system for parking meter vaults".
- Duncan Industries - Harrison AR
- Duncan Industries - Inc. Elk Grove Village
| Patent | Date |
|---|---|
| Quick lock release system for parking meter vaults Grant 6,874,340 - Berman April 5, 2 | 2005-04-05 |
| Parking meter housing Grant D461,728 - Tuxen , et al. August 20, 2 | 2002-08-20 |
| Housing for parking meter Grant 6,354,425 - Tuxen , et al. March 12, 2 | 2002-03-12 |
| Parking meter Grant D431,788 - Tuxen , et al. October 10, 2 | 2000-10-10 |
| Token Dispensing Construction For Parking Meters Grant 3,565,283 - February 23, 1 | 1971-02-23 |
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