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Story County, Iowa Inventory Patents

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Results for Names Matching "DAVIDSON"

Name Patent Title Patent
Number		 City Year
Donald T. DAVIDSON soil stabilization with an organic derivative of ammonia and an acrylate polymer 02981162 Ames 1961
Jay B. DAVIDSON device for controlling the relative speed of two traction members 01984399 Ames 1934
Jay B. DAVIDSON device for controlling the relative speed of two traction members 01984399 Ames 1934
Jay B. DAVIDSON combined plow and soil pulverizer 01697679 Ames 1929
Jay B. DAVIDSON combined plow and pulverizer 01697678 Ames 1929
Jay B. DAVIDSON rotary tiller for gang plows 01697677 Ames 1929
Jay B. DAVIDSON dynamometer 01603521 Ames 1926
Jay B. DAVIDSON automatic plow 01601944 Ames 1926
Jay B. DAVIDSON automatic plow 01601944 Ames 1926
Jay B. DAVIDSON dynamometer 01597063 Ames 1926
Jay B. DAVIDSON dynamometer 01597063 Ames 1926
Jay B. DAVIDSON dynamometer 01592182 Ames 1926
Jay B. DAVIDSON dynamometer 01592182 Ames 1926

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