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Patents for John E. Sweet
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
58,152Sep. 18, 1866R.H. ThornChuckmetal lathe chucks
166,318Aug. 03, 1875J.E. SweetScrew Tapstaps and dies
261,967Aug. 01, 1882J.E. SweetTool Post for Latheslathe tool holders and tool posts
275,871Apr. 17, 1883J.E. SweetValve Gearsteam engine valve gear
313,552Mar. 10, 1885J.E. SweetMicrometer Gaugemicrometers
532,296Jan. 08, 1895J.E. SweetSteam and Water Separatorsteam and water separators
1,170,198Feb. 01, 1916F.G. Chambers, A. Winter, J.E. SweetSand Blast Devicesand blasters
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