Stephen J. Hayes

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Swansea, GB

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Patents Grantslast 30 patents

Information Patent Grant
Item discrimination apparatus and method
- Patent number 5,687,830
- Issue date Nov 18, 1997
- Protel, Inc.
- Stephen J. Hayes
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin discrimination method
- Patent number 5,568,854
- Issue date Oct 29, 1996
- Protel, Inc.
- Stephen J. Hayes
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin discrimination apparatus and method
- Patent number 5,351,798
- Issue date Oct 4, 1994
- Protel, Inc.
- Stephen J. Hayes
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin discrimination method
- Patent number 5,191,957
- Issue date Mar 9, 1993
- Protel, Inc.
- Stephen J. Hayes
- G07 - CHECKING-DEVICES