Inventor · disambiguated record
Bruce W. Stelman
Also filed as: STELMAN BRUCE W
7 granted patents·111 citations·filing 1996–2000
86Inventor score
Technology areasH04M
Files withHELLO DIRECT INC7
Top patents by PatentIndex Score
7 records- 0174US7031454B1Method and apparatus for interfacing telephone apparatus to a digital, analog or hybrid telephone switching systemHELLO DIRECT INC·Filed 2000·Granted Apr 18, 2006·21 cites·20 claims
- 0255US6343126B1Method and apparatus for interfacing analog telephone apparatus to a digital, analog or hybrid telephone switching systemHELLO DIRECT INC·Filed 1997·Granted Jan 29, 2002·27 cites·36 claims
- 0352US5912964AAdaptive telephone handset interfaceHELLO DIRECT INC·Filed 1998·Granted Jun 15, 1999·24 cites·26 claims
- 0450US5937031ASmart interface technologyHELLO DIRECT INC·Filed 1998·Granted Aug 10, 1999·15 cites·12 claims
- 0550US5892823ASmart interface technologyHELLO DIRECT INC·Filed 1996·Granted Apr 6, 1999·16 cites·37 claims
- 0638US6683949B1Handset port interface including DC measurement and transmit path calibrationHELLO DIRECT INC·Filed 1999·Granted Jan 27, 2004·8 cites·34 claims
- 0728US7831038B1Smart interface technologyHELLO DIRECT INC·Filed 1999·Granted Nov 9, 2010·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →