The Scientific American reference book; a compendium of useful information, containing the complete census of the United States by counties ... patent and copyright laws ... forms for patents, caveats, assignments, and licenses ... etc (1892)
New York, Munn · leaf 41
e amount ofpatent business, which comes to uS by mail and express, largenumbers of authors and inventors prefer to come in personto our offices to explain the merits of their improvements. In carrying on our extensive patent business, we aim toconduct it in the most expeditious and systematic… … THE SCIENTIFIC AMERICAN OFFICES. 39 room. All models are ticketed with the names of their own-ers, and here carefully stored; no one, except our confidentialassistants in charge, being permitted to enter. All corre-spondence relating to patents is carefully preserved for a giventime in large…
Patents
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