Inventor · disambiguated record
Christopher C. Willis
Also filed as: WILLIS CHRISTOPHER · WILLIS CHRISTOPHER C
2 granted patents·1 pending application·10 citations·filing 2006–2012
55Inventor score
Top patents by PatentIndex Score
3 records- 0168US7933580B2Emergency services for voice over IP telephony (E-VoIP)HASENFANG DENNIS J·Filed 2006·Granted Apr 26, 2011·7 cites·18 claims
- 0262US8515386B2Emergency services for voice over IP telephony (E-VoIP)HASENFANG DENNIS J·Filed 2011·Granted Aug 20, 2013·3 cites·27 claims
- 0339US2015350600A1Visual call apparatus and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →