Assignee
GRIFFITHS JOHN D
US·2 granted patents·45 citations·filing 1988–1990
Technology mixA61F2
Top patents by PatentIndex Score
2 records- 0144US4921485ACatheter for use in the surgical correction of a nasolacrimal duct obstructionGRIFFITHS JOHN D·Filed 1988·Granted May 1, 1990·29 cites·6 claims
- 0233US5062831ACatheter for use in the surgical correction of a nasolacrimal duct obstructionGRIFFITHS JOHN D·Filed 1990·Granted Nov 5, 1991·16 cites·3 claims
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