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Evan Prichard
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Newport Beach, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Trailer transit mixer
Patent number
4,340,309
Issue date
Jul 20, 1982
Challenge-Cook Bros., Incorporated
Evan S. Prichard
B60 - VEHICLES IN GENERAL
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Patent Grant
Trailer transit mixer
Patent number
4,243,328
Issue date
Jan 6, 1981
Challenge-Cook Bros. Incorporated
Evan S. Prichard
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Mixer attachment for mining vehicles
Patent number
4,032,116
Issue date
Jun 28, 1977
Challenge-Cook Bros., Incorporated
Evan S. Prichard
B28 - WORKING CEMENT, CLAY, OR STONE
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Patent Grant
Outrigger and mounting means for truck with a conveyor boom
Patent number
3,985,036
Issue date
Oct 12, 1976
Challenge-Cook Bros., Incorporated
Raymond E. Decker
B66 - HOISTING LIFTING HAULING