Inventor · disambiguated record
James R. Butterworth
Also filed as: BUTTERWORTH JAMES R
3 granted patents·25 citations·filing 2002–2008
69Inventor score
Files withDIRECTV GROUP INC3
Top patents by PatentIndex Score
3 records- 0184US7912427B2Single-wire multiswitch and channelized RF cable test meterDIRECTV GROUP INC·Filed 2008·Granted Mar 22, 2011·10 cites·17 claims
- 0267US7149470B1Direct broadcast receiver utilizing LNB in cascadeDIRECTV GROUP INC·Filed 2002·Granted Dec 12, 2006·9 cites·13 claims
- 0362US7663560B1Antenna pointing aidDIRECTV GROUP INC·Filed 2005·Granted Feb 16, 2010·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →