Inventor · disambiguated record

Ian Gravill

Also filed as: GRAVILL IAN

1 granted patent·39 citations·filing 1998–1998

46Inventor score

Technology areasE21B

Files withGREENE TWEED INC1

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1 record

0152US6173964B1Seal assembly with backup elements having coil springs positioned thereinGREENE TWEED INC·Filed 1998·Granted Jan 16, 2001·39 cites·5 claims

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