Inventor · disambiguated record
Raymond C. Freeman
Also filed as: FREEMAN RAYMOND C
3 granted patents·75 citations·filing 1984–1991
73Inventor score
Technology areasH04M
Files withNORTHERN TELECOM LTD3
Top patents by PatentIndex Score
3 records- 0182US4594478ATransmitter assembly for a telephone handsetNORTHERN TELECOM LTD·Filed 1984·Granted Jun 10, 1986·47 cites·5 claims
- 0269US4529846ADynamic telephone receiver with magnetic shuntNORTHERN TELECOM LTD·Filed 1984·Granted Jul 16, 1985·20 cites·8 claims
- 0332US5274701ATelephone alerterNORTHERN TELECOM LTD·Filed 1991·Granted Dec 28, 1993·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →