United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 601
ound-records pro- vided at one end with a laterally-extendingdisk-shaped head havingits periphery sharp- 15ened to form a cutting edge. 12. A cutting-style for sound-records pro-vided at one end with a Laterally-extendingdisk-shaped head having its periphery sharp-ened to form a cutting edge and… … clifuetitov /^£y£/*W; ye WI HORMS PKTBR3 CO., WASHINCTtON, O. i UNITED STATES PATENT OFFICE. WALTER S. TYLER, OF BRIDGEPORT, CONNECTICUT, ASSIGNOR TOAMERICAN GRAPHOPHONE COMPANY, OF BRIDGEPORT, CON-NECTICUT, A CORPORATION OF WEST VIRGINIA. APPARATUS FOR MOLDING SOUND-RECORDS. No. 836,417.…
Phonograph · Patents
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