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Kenneth C. Tregillus
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Yellow Springs, OH, US
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last 30 patents
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Patent Grant
Drip irrigation system
Patent number
4,190,206
Issue date
Feb 26, 1980
Vernay Laboratories, Inc.
Gordon E. Atkinson
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Patent Grant
Pressure responsive self-purging emitter
Patent number
4,008,853
Issue date
Feb 22, 1977
Vernay Laboratories, Inc.
Kenneth C. Tregillus
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING