How to obtain a patent and what to invent; a complete hand-book of advice and useful information for inventors, relative to Patent office procedure, foreign patents, trademarks and copyrights (1915)
Waters, John Louis, & company, Washington, D.C. [from old catalog] · Washington, D.C., J.L. Waters & company · leaf 12
portation is nil. Our qualifications and professional standing as patentattorneys are universally recognized, and therefore we feeljustified in soliciting the business of inventors and suchothers as may desire skillful and capable service in patentmatters of any nature whatsoever. We will gladly… … SELDEN PATENT
Patents
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