Ronald C. Davies

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Cwmbran, GB

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Patents Grantslast 30 patents

Information Patent Grant
Electronic coin detection apparatus
- Patent number 4,696,385
- Issue date Sep 29, 1987
- Digital Products Corporation
- Ronald C. Davies
- G07 - CHECKING-DEVICES
Information Patent Grant
Methods and apparatus employing apparent resonant properties of thi...
- Patent number 4,678,994
- Issue date Jul 7, 1987
- Digital Products Corporation
- Ronald C. Davies
- G07 - CHECKING-DEVICES