Wayne A. Mueller

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Mound, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-width card reader with cancellation feature
- Patent number 4,578,569
- Issue date Mar 25, 1986
- HEI, Inc.
- Bradley W. Arp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cordless digital graphics input device
- Patent number 4,550,250
- Issue date Oct 29, 1985
- HEI, Inc.
- Wayne A. Mueller
- G06 - COMPUTING CALCULATING COUNTING