Inventor · disambiguated record
John R. Zabel
Also filed as: ZABEL JOHN R
3 granted patents·6 citations·filing 1994–2003
58Inventor score
Technology areasH04M
Top patents by PatentIndex Score
3 records- 0135US6975714B1Method and apparatus for defeating predictive telemarketing systems by simulating facsimile machines or modems upon answering incoming callsENGINUITY TECHNOLOGIES GROUP I·Filed 2003·Granted Dec 13, 2005·1 cites·2 claims
- 0227US6185297B1Low power dialerMITEL INC·Filed 1998·Granted Feb 6, 2001·4 cites·13 claims
- 0324US5706341AActive digit cancelling parallel dialerMITEL INC·Filed 1994·Granted Jan 6, 1998·1 cites·9 claims
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