Inventor · disambiguated record
Richard A. Frisk
Also filed as: FRISK RICHARD A
3 granted patents·13 citations·filing 2005–2006
59Inventor score
Technology areasH04L
Top patents by PatentIndex Score
3 records- 0174US8254552B2System and method for providing a recovery mode in a session initiation protocol (SIP) environmentHARTON DAVID C·Filed 2005·Granted Aug 28, 2012·12 cites·20 claims
- 0251US7701971B2System and method for providing a compatibility feature in a session initiation protocol (SIP) environmentCISCO TECH INC·Filed 2006·Granted Apr 20, 2010·1 cites·20 claims
- 0338US7778274B2System and method for providing a compatibility feature in a session initiation protocol (SIP) environmentCISCO TECH INC·Filed 2006·Granted Aug 17, 2010·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →