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    James Buchanan Signed Patent with Two Related Patents. One partially printed page, 11.75" x 16", Washington, D.C.; November 26, 1845. Patent No. 4289, signed "James Buchanan" as Secretary of State. The document awards Richard F. Loper of Philadelphia a fourteen-year patent for the "improvement in steam engines". With U.S. paper seal affixed to lower left corner. A schematic drawing related to the patent is attached.

    Two other patents belonging to Loper are included: No. 3786 for "Improvement in the mode of coupling the Shafts of Sub-merged Propellers for Steam boats and other vessels", dated October 9, 1844; and No. 6673 for "Method of working the air pump and using a condensing as a non condensing Engine", dated August 28, 1849. Both patents include schematic designs of the invention described. Richard Fanning Loper (1800-1880) was a sea captain and inventor from Philadelphia.

    Condition: Documents range from good to very fine; toning throughout, with some creasing and small tears in places. Signatures are bold.

    Auction Info

    Auction Dates
    April, 2018
    18th Wednesday
    Bids + Registered Phone Bidders: 4
    Lot Tracking Activity: N/A
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