Champion Brass Mfg. Co.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5299774 Diaphragm controlled irrigation valve with captivated bleed screwExpiredJan 27, 93Apr 05, 94[F16K]
4752033 Soil cap for vegetation sprinklerExpiredDec 29, 86Jun 21, 88[B05B]
4220283 Vegetation sprinkler having a hand adjustment to direct the sprayExpiredJun 04, 79Sep 02, 80[B05B]

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