Byron D. Roylance

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West Valley City, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Compressible/expandable keyboard with adjustable key spacing
- Patent number 5,141,343
- Issue date Aug 25, 1992
- Roylance; William H.
- William H. Roylance
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compressible/expandable keyboard with adjustable key spacing
- Patent number 5,044,798
- Issue date Sep 3, 1991
- Roylance; William H.
- William H. Roylance
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process for preventing inadvertent actuation of controls
- Patent number 4,482,845
- Issue date Nov 13, 1984
- Roylance; William H.
- William H. Roylance
- H03 - BASIC ELECTRONIC CIRCUITRY