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x-patents:x-4724 [2019/05/25 21:49] external edit
x-patents:x-4724 [2020/02/13 17:13] (current)
jeffj [External links] - copy exists in Chicago
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 ===== External links ===== ===== External links =====
 [[http://​​.piw?​PageNum=0&​idkey=NONE&​SectionNum=3&​HomeUrl=&​docid=X0004724|USPTO pdf]] [[http://​​.piw?​PageNum=0&​idkey=NONE&​SectionNum=3&​HomeUrl=&​docid=X0004724|USPTO pdf]]
 +[[https://​​john-quincy-adams-papers-manuscript-1811-1839|John Quincy Adams Papers at Chicago Historical Society]] which apparently includes a copy of this patent.
x-patents/x-4724.txt ยท Last modified: 2020/02/13 17:13 by jeffj