Inventor · disambiguated record
Mahmoud A. El Hamamsy
Also filed as: EL HAMAMSY MAHMOUD A · EL HAMAMSY MAHOUD A
6 granted patents·128 citations·filing 1980–1982
84Inventor score
Files withBELL TELEPHONE LABOR INC6
Top patents by PatentIndex Score
6 records- 0183US4424544AOptically toggled bidirectional switchBELL TELEPHONE LABOR INC·Filed 1982·Granted Jan 3, 1984·27 cites·21 claims
- 0280US4303831AOptically triggered linear bilateral switchBELL TELEPHONE LABOR INC·Filed 1980·Granted Dec 1, 1981·26 cites·8 claims
- 0377US4307298AOptically toggled bilateral switch having low leakage currentBELL TELEPHONE LABOR INC·Filed 1980·Granted Dec 22, 1981·38 cites·9 claims
- 0476US4322767ABidirectional solid-state protector circuitry using gated diode switchesBELL TELEPHONE LABOR INC·Filed 1980·Granted Mar 30, 1982·30 cites·9 claims
- 0541US4423330ANormally off bilateral switchBELL TELEPHONE LABOR INC·Filed 1981·Granted Dec 27, 1983·5 cites·6 claims
- 0628US4275308AOptically toggled deviceBELL TELEPHONE LABOR INC·Filed 1980·Granted Jun 23, 1981·2 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →