Inventor · disambiguated record
Don Fergus
Also filed as: FERGUS DON
3 granted patents·179 citations·filing 2001–2007
72Inventor score
Technology areasH04L
Top patents by PatentIndex Score
3 records- 0194US6697474B1Systems and methods for receiving telephone calls via instant messagingWORLDCOM INC·Filed 2001·Granted Feb 24, 2004·169 cites·25 claims
- 0267US7274778B2Systems and methods for receiving telephone calls via instant messagingVERIZON BUSINESS GLOBAL LLC·Filed 2004·Granted Sep 25, 2007·10 cites·17 claims
- 0343US8553857B2Systems and methods for receiving telephone calls via instant messagingHANSON JOEL·Filed 2007·Granted Oct 8, 2013·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →