Inventor · disambiguated record
Calvin J. Stein
Also filed as: STEIN CALVIN J · STEIN CALVIN JONATHAN
3 granted patents·1 pending application·136 citations·filing 1991–2010
73Inventor score
Technology areasH04M
Top patents by PatentIndex Score
4 records- 0181US6324264B1Method of establishing a communications callTELSTRA CORP LTD·Filed 1996·Granted Nov 27, 2001·105 cites·23 claims
- 0253US5519770AEnhanced telephony apparatus and systemAUSTRALIAN & OVERSEAS TELECOM·Filed 1991·Granted May 21, 1996·31 cites·8 claims
- 0343US7720204B2Method of establishing a communications callTELSTRA CORP LTD·Filed 2001·Granted May 18, 2010·0 cites·39 claims
- 0443US2011013764A1Method of establishing a communications callTELSTRA CORP LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →