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Patents for Herbert L. Johnston
Patents 1 - 15 of 56
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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 choppersfood grinders
1,166,597Jan. 04, 1916H.L. JohnstonGrinding and refining mill
1,264,128Apr. 23, 1918T.F. Rataiczak, H.L. JohnstonMixing-machine
1,291,534Jan. 14, 1919H.L. JohnstonCoffee-grinder
1,492,468Apr. 29, 1924H.L. Johnston, M.K. AkersIce-cream freezer
1,502,675Jul. 29, 1924H.L. JohnstonGrinder for coffee and the like
1,548,041Aug. 04, 1925H.L. Johnston, M.K. AkersMixing machine
1,548,042Aug. 04, 1925H.L. Johnston, T.F. RataiczakSlicing machine
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