Ronald J. Sears

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Middletown, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Membrane keyboard switch assembly having selectable tactile properties
- Patent number 4,362,911
- Issue date Dec 7, 1982
- NCR Corporation
- Ronald J. Sears
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Means for avoiding accidental actuation of a critical function key
- Patent number 4,362,408
- Issue date Dec 7, 1982
- NCR Corporation
- Richard E. Cordes
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS