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Terry H. Jozwiak
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Witter, AR, US
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last 30 patents
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Patent Grant
Sanitary locking lip split well seal
Patent number
5,111,879
Issue date
May 12, 1992
Amtrol Inc.
Terry H. Jozwiak
E21 - EARTH DRILLING MINING
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Patent Grant
Freeze-proof hydrant
Patent number
5,012,833
Issue date
May 7, 1991
Amtrol Inc.
Eugene C. Hunley
E03 - WATER SUPPLY SEWERAGE
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Patent Grant
Freeze-proof hydrant
Patent number
4,971,097
Issue date
Nov 20, 1990
Amtrol Inc.
Eugene C. Hunley
E03 - WATER SUPPLY SEWERAGE