United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 133
\I3-^- rs.^. f3 iWiiM … WITNESSES 2L3 .s. ATTORNEr TXN^ITED STATES PATENT OFFICE. CHARLES M. HUGHES, OF NEWARK, NEV/ JERSEY, ASSIGNOR TO WILLARD I.HAMILTON, OF NEWARK, NEW JERSEY. PHONOGRAPH. 948,338. Specification of Letters Patent. I*atented Feb. 8, 1910. Application filed November 15, 1909. Serial No. 528,216. To all…
Phonograph · Patents
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