Robert A. Simms

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Phoenix, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Solid state electron amplifier
- Patent number 4,990,766
- Issue date Feb 5, 1991
- Murasa International
- Robert A. Simms
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Safety shut-off protection system
- Patent number 4,960,988
- Issue date Oct 2, 1990
- Murasa International
- Robert A. Simms
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser safety shutoff system
- Patent number 4,884,275
- Issue date Nov 28, 1989
- Murasa International
- Robert A. Simms
- H01 - BASIC ELECTRIC ELEMENTS