Mahmoud A. El Hamamsy

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Watchung, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Optically toggled bidirectional switch
- Patent number 4,424,544
- Issue date Jan 3, 1984
- Bell Telephone Laboratories, Incorporated
- Gee-Kung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Normally off bilateral switch
- Patent number 4,423,330
- Issue date Dec 27, 1983
- Bell Telephone Laboratories, Incorporated
- Mahmoud A. El Hamamsy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional solid-state protector circuitry using gated diode swi...
- Patent number 4,322,767
- Issue date Mar 30, 1982
- Bell Telephone Laboratories, Incorporated
- Mahmoud A. El Hamamsy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optically toggled bilateral switch having low leakage current
- Patent number 4,307,298
- Issue date Dec 22, 1981
- Bell Telephone Laboratories, Incorporated
- Mahmoud A. El Hamamsy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optically triggered linear bilateral switch
- Patent number 4,303,831
- Issue date Dec 1, 1981
- Bell Telephone Laboratories, Incorporated
- Mahmoud A. El Hamamsy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optically toggled device
- Patent number 4,275,308
- Issue date Jun 23, 1981
- Bell Telephone Laboratories, Incorporated
- Mahmoud A. El Hamamsy
- H03 - BASIC ELECTRONIC CIRCUITRY