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Patents for Thomas S. J. Douglas
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
39,755Sep. 01, 1863A. SchwitterImprovement in engine-turning machinesornamental lathes
RE1,534Sep. 08, 1863I.E. PalmerTackle Blockblock and tackles
39,790Sep. 08, 1863A. BeekmanImprovement in scrollsawsscrollsaws
39,817Sep. 08, 1863L.A. JohnsonLathe for turning billiard ballswood lathes
40,275Oct. 13, 1863O. PeckImprovement in attaching bits to bracesbrace chucks
40,502Nov. 03, 1863E.B. RequaSaw Mill Head Blocksawmill headblocks
41,546Feb. 09, 1864W. StiversImprovement in drillsdrill presses
41,908Mar. 15, 1864P. CrosbyImprovement in sawmillsreciprocating sawmills
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