Inventor · disambiguated record

David Drain

Also filed as: DRAIN DAVID A · DRAIN DAVID J

1 granted patent·1 pending application·33 citations·filing 1977–2005

45Inventor score

Technology areasA61L F16F

Files withDRAIN DAVID A1 SMITH & NEPHEW PHARMA1

Top patents by PatentIndex Score

2 records

0152US4312833ASterilizing hydrophilic contact lensesSMITH & NEPHEW PHARMA·Filed 1977·Granted Jan 26, 1982·33 cites·45 claims
0229US2006226585A1Air spring suspension systemDRAIN DAVID A·Filed 2005·Application pending·0 cites

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