Inventor · disambiguated record

Calvin P. O'Neal

Also filed as: O'NEAL CALVIN P

1 granted patent·18 citations·filing 2002–2002

39Inventor score

Technology areasE03C

Files withIPS CORP1

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1 record

0159US6799600B2Protective metal housing for plastic air admittance valveIPS CORP·Filed 2002·Granted Oct 5, 2004·18 cites·7 claims

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Calvin P. O'Neal — Patent Inventor | PatentIndex