United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 437
foY_^ … (f^ . ~t^. c^Tm-aJE-ca-o/, /3. -^^ * ^y ^ ^y/^^r^o^/. UNITED STATES PATENT OFFICE. VARIAW M. HAKRIS, OF CHICAGO, ILLINOIS, ASSIGNOR, BY MESNE ASSIGNMENTS, TOTHE UNITED STATES PHONOGRAPH COMPANY, OF CLEVELAND, OHIO, A CORPORA-TION OF OHIO. MANUFACTURE OF PHONOGRAPH-RECORD BLANKS. 960,330.…
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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