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Patents for Herbert L. Johnston
Patents 1 - 10 of 56
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PictureNumberDatePatenteeTitle
  786,293Apr. 04, 1905H.L. JohnstonCoffee grinder
  828,212Aug. 07, 1906H.L. JohnstonSupport for vehicle umbrellas or canopies
  828,482Aug. 14, 1906H.L. JohnstonSupport for vehicle-canopies
  864,786Sep. 03, 1907H.L. JohnstonDriving mechanism
  950,635Mar. 01, 1910H.L. JohnstonDriving mechanism
  1,080,066Dec. 02, 1913H.L. JohnstonRefining-machine for coffee and the like
  1,089,413Mar. 10, 1914H.L. JohnstonGrinding-disk for coffee-mills and the like
  1,156,904Oct. 19, 1915H.L. JohnstonClutch mechanism for grinders and choppers
1,166,597Jan. 04, 1916H.L. JohnstonGrinding and refining mill
  1,264,128Apr. 23, 1918T.F. Rataiczak, H.L. JohnstonMixing-machine
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