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Doyle R. Metz
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Ontario, CA, US
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Patent Grant
Up-spray deflector cup for spraying the underside of plant foliage
Patent number
4,892,256
Issue date
Jan 9, 1990
Rain Bird Sprinkler Mfg. Corp.
Richard D. Brown
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING