Inventor · disambiguated record

David Hon Sing Ying

Also filed as: YING DAVID H S · YING DAVID HON SING

11 granted patents·2 pending applications·137 citations·filing 19812010

88Inventor score
Technology areasC10GB01DC01BG01NB01J
Files withAIR PROD & CHEM8INT COAL REFINING CO3

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13 records

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