United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 199
h.^. 2B Z3 & ZZ Z&E0.6. WITNESSES … U r , . 1 « INVENTOR ATTORNEYS THt. ;.J; .-..- rc TEK2 CO., PHOTO t-l rHO . WASHIHGru.\ >, c UNITED STATES PATENT OFFICE. WILLIAM J. TRAVERS, OF BUFFALO, NEW YORK.SOUND REPRODUCER AND RECORDER. 1,131,442. Specification of Letters Patent. Patented Mar. 9,1915. Application filed June 30,1913.…
Phonograph · Patents
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