Duncan Industries Parking Control Systems

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Harrison, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
Parking meter with peripheral functions
- Patent number 5,841,369
- Issue date Nov 24, 1998
- Duncan Industries Parking Control Systems
- Joseph H. Sutton
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic parking meter operating system
- Patent number 5,805,083
- Issue date Sep 8, 1998
- Duncan Industries Parking Control Systems
- Joseph H. Sutton
- G07 - CHECKING-DEVICES