United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 245
s<t -47 49- / Ilir2. … M fa esses.- ./J , , „ Inventor,Attys. UNITED STATES PATENT OFFICE. CHARLES A. G. PRITCHARD, OF CLEVELAND, OHIO. SOUND-BOX. No. 818,119. Specification of Letters Patent. Patented April 17, 1906. Application filed September 2, 1905, Serial No. 276,894. To all whom it may concern,: Be it known that…
Phonograph · Patents
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