Items
recipient is exactly
U.S. Patent Office
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[D1005AAI], Letter from Frank Lewis Dyer to U.S. Patent Office, William J Rich, January 24th, 1910 1910-01-24 -
[QCC01135], Telegram from Josiah Custer Reiff, Lemuel Wright Serrell to U.S. Patent Office, James Seymour Grinnell, April 24th, 1875 1875-04-24 -
[QP040010], Petition, National Phonograph Co, Walter Seeley Mallory, U.S. Patent Office, April 14th, 1899 1899-04-14