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Patents for Jonas P. Curtiss
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
81,608Sep. 01, 1868J.P. CurtissMachine for Grinding Metal Articlesgrinders
115,582Jun. 06, 1871J.P. CurtissImprovement in Screwdriversscrewdriver blades
176,462Apr. 25, 1876J.P. CurtissImprovement in Awl-Haftstool holders
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