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The object of the puzzle was to mix the colors on the faces of the cube and then restore them. After making many preliminary models, in 1968 a working prototype was constructed, and on April 11, 1972, U.S. patent 3,655,201 was issued covering the Nichols' Cube. The patent focused on the 2×2×2 puzzle but mentioned the possibility of larger ...
Pages for logged out editors learn more. ... Download as PDF; Printable version; ... Help. Pages in category "Inventors from Ohio" The following 13 pages are in this ...
Inventor of the Pull tab Ermal Cleon " Ernie " Fraze [ 1 ] (September 16, 1913 – October 26, 1989) was an American engineer who invented the pull-tab opener used in beverage cans . [ 1 ]
Salmon P. Chase (Ohio governor, abolitionist, U.S.Treasury Secretary and Chief Justice) (Cincinnati) Gary Cohn (National Economic Council Director) (Shaker Heights) James M. Cox (governor, presidential candidate, media mogul) (Dayton) Ephraim Cutler (a framer of Ohio Constitution, abolitionist, longtime Ohio University Trustee (Ames Twp)
Franklin Augustus "Frank" Seiberling (October 6, 1859 – August 11, 1955), also known as F.A. Seiberling, was an American innovator and entrepreneur best known for co-founding the Goodyear Tire & Rubber Company in 1898 and the Seiberling Rubber Company in 1921.
Philip Haas (1874–1927) was an American inventor and entrepreneur who lived in Dayton, Ohio. Altogether, he received 31 patents in connection with innovations in the field of plumbing. [1] His work was instrumental to the development of the modern toilet and was featured in the 2004 book Ingenious Inventions How They Work and How They Came to Be.
Pages for logged out editors learn more. Contributions; Talk; Category: Scientists from Ohio. 9 languages. ... Print/export Download as PDF; Printable version;
Pages for logged out editors learn more. ... Print/export Download as PDF ... Pages in category "Scientists from Columbus, Ohio" The following 11 pages are in this ...