How to get a patent; a complete compendium of useful information for inventors (1896)
Wedderburn (John) and company, Washington, D.C. [from old catalog] · Washington, D.C., J. Wedderburn & co. · leaf 64
64 JOHN WEDDERBURN & CO. From Senator Cullom^ of Illinois.United States Senate, ^ Washington, D. C, June 1, 1895. Mr. John Wedderburn, Washington, D. C. My Dear Sir :—I observe that you are now engaged in the business of a solicitorof American and Foreign Patents, Trade-marks, Copyrights, etc.…
Patents
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