William R. Bradam

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Cambridge, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Membrane keyboard apparatus with tactile feedback
- Patent number 4,194,097
- Issue date Mar 18, 1980
- NCR Corporation
- William R. Bradam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Auxiliary keyboard apparatus
- Patent number 4,020,328
- Issue date Apr 26, 1977
- NCR Corporation
- William R. Bradam
- G06 - COMPUTING CALCULATING COUNTING