Duncan Industries Parking Control Corp.

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Harrison, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
Sensor for measuring the magnetically responsive characteristics of...
- Patent number 5,119,916
- Issue date Jun 9, 1992
- Duncan Industries Parking Control Corp.
- Ralph H. Carmen
- G07 - CHECKING-DEVICES
Information Patent Grant
Low-power device for sorting tokens
- Patent number 5,060,777
- Issue date Oct 29, 1991
- Duncan Industries Parking Control Corp.
- John W. Van Horn
- G07 - CHECKING-DEVICES

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