Inventor · disambiguated record
Franco De Marco
Also filed as: BIRAGHI GIORGIO · DE MARCO FRANCO
4 granted patents·67 citations·filing 1976–1987
76Inventor score
Top patents by PatentIndex Score
4 records- 0182US4024359AContinuity-checking network for telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted May 17, 1977·34 cites·4 claims
- 0264US4872250AMethod for fabricating a dished hollow body possessing a linear or helical inner toothingGROB ERNST FA·Filed 1987·Granted Oct 10, 1989·24 cites·11 claims
- 0353US4130736ATelecommunication system with keyboard selectionSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Dec 19, 1978·8 cites·5 claims
- 0428US4207438ARotary selector adapted to scan a line multiple in a step-by-step telephone exchangeSITS SOC IT TELECOM SIEMENS·Filed 1979·Granted Jun 10, 1980·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →