Inventor · disambiguated record

David Charles Grainger

Also filed as: GRAINGER DAVID CHARLES

2 granted patents·1 citations·filing 2006–2006

29Inventor score

Technology areasH04M

Files withCHAN FRANK SIU HONG2

Top patents by PatentIndex Score

2 records

0153US8488593B2Apparatus and system for controlling signal filteringCHAN FRANK SIU HONG·Filed 2006·Granted Jul 16, 2013·1 cites·38 claims
0240US8488594B2Apparatus and system for bridging communication signalsCHAN FRANK SIU HONG·Filed 2006·Granted Jul 16, 2013·0 cites·37 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →