United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 531
ave signed my name to this specification in the presenceof two subscribing witnesses. CLARENCE H. ROOP. Witnesses: E. Walt. Havens,M. E. Dittus. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. < FHOITCGRAPH PATENT. SOUND SOX… … /fYi/f/yr<?/r „,£ NnKRIb PETEKSCO.PHOTCLITHO.WA-.K-Hi.rON n 1,144,202. J. HOFFAY. SOUND BOX OR THE LIKE. APPLICATION FILED MAR. 13, 1914. Patented June 22,1915. 2 SHEETS—SHEET 2. n$2.
Phonograph · Patents
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