Inventor · disambiguated record
David Sum
Also filed as: SUM DAVID · SUM DAVID WAI MING
4 granted patents·86 citations·filing 1998–2001
79Inventor score
Top patents by PatentIndex Score
4 records- 0183USD417536SDrying rackFOREXIM H K LTD·Filed 1998·Granted Dec 7, 1999·33 cites·1 claims
- 0281USD451337SBottle stopperFOREXIM H K LTD·Filed 2001·Granted Dec 4, 2001·32 cites·1 claims
- 0360USD454473SCorkscrewFOREXIM HK LTD·Filed 2001·Granted Mar 19, 2002·13 cites·1 claims
- 0448USD454472SCan openerFOREXIM HK LTD·Filed 2001·Granted Mar 19, 2002·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →