Vilma M. Wagner

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Flint, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of constructing credit cards for automatic vending equipment...
- Patent number 4,020,536
- Issue date May 3, 1977
- William E. Cuttill
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Credit card construction for automatic vending equipment and credit...
- Patent number 4,017,834
- Issue date Apr 12, 1977
- William E. Cuttill
- G06 - COMPUTING CALCULATING COUNTING