SCHEDULE OF PATENT FEES. VALUE OF PATENTS How to Obtain Them. Practical Hints to Inventors. How Can I Best Secure My Invention Prelitninary Examination. To Make an Application for a Patent. Foreign Patents. Canadian Patents. Trademarks. Design Patents. Copies of Patents. MUNN & CO. THE VALIDITY OF PATENTS. Inside Page each insertion - 75 cents a line. Back Page each insertion - $ a line. FINE TOOLS AND FOOT LATHES. MECHANICS & SMALL MANUFACTURERS .ATTENTION! DAYTON CAM PUMP The only Pump in the Market Designed and Constructed especially for Boiler Feeding. Smith Valle & Co. HOW T OBTAIN
SCHEDULE OF PATENT FEES. VALUE OF PATENTS How to Obtain Them. Practical Hints to Inventors. How Can I Best Secure My Invention Prelitninary Examination. To Make an Application for a Patent. Foreign Patents. Canadian Patents. Trademarks. Design Patents. Copies of Patents. MUNN & CO. THE VALIDITY OF PATENTS. Inside Page each insertion - 75 cents a line. Back Page each insertion - $ a line. FINE TOOLS AND FOOT LATHES. MECHANICS & SMALL MANUFACTURERS .ATTENTION! DAYTON CAM PUMP The only Pump in the Market Designed and Constructed especially for Boiler Feeding. Smith Valle & Co. HOW T OBTAIN THREE THINGS IN ONE Pure Air and an Even Tempe rature throughout a Room., scientific american, 1876-10-14
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