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Secretary of State Thomas Jefferson was the first Commissioner of the US Patent Office. Like Benjamin Franklin, Jefferson had a penchant for science. The moldboard plow and the wheel cipher are ...
http://www.oldtowncrier.com
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Aside from filing secret patent application 70,412 on 23 Mar 1936 little additional development ... This was a high grade, electro-mechanical, rotor wheel cipher machine and the physical component of the ...
http://www.maritime.org
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Thomas Jefferson was the third President of the United States and invented but did not patent a swivel chair, spherical sundial, moldboard plow and cipher wheel.
http://inventors.about.com
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Have you been searching online for information on Patent ? Great! You've come to the ... Patent Of The Wheel Cipher Patent Theft Patent Trademark Attorney Patent Trademark Office
http://www.patentuspto.com
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... 5 No.4 pp.193-208 Charles Babbage seems to have re-invented the wheel cipher. 1861-1980 civ Deavours ``A study of United States patents from the issuance of the first cryptographic patent in 1861 through ...
http://world.std.com
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... Cryptologia v.5 No.4 pp.193-208 Charles Babbage seems to have re-invented the wheel cipher. 1861-1980 Civ Deavours "A study of United States patents from the issuance of the first cryptographic patent in ...
http://www.jproc.ca
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Presidents, he did not hold a patent on any of his inventions. Only one President ever received ... he invented in 1787, the swivel chair, the spherical sundial, the moldboard plow and the cipher wheel ...
http://www.inventionmysteries.com
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