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*[Technology]
United States Patent Issued to a Pioneer in Sound Film, 1927
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Closed
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![*[Technology] United States Patent Issued to a Pioneer in Sound Film, 1927](https://assets.basta.app/accounts/4832eb18-f9a7-4c12-8295-871abe232696/images/a3c9bb34-2529-4477-86fc-ec5976fcfa1d?format=auto&width=1920&quality=75)
![*[Technology] United States Patent Issued to a Pioneer in Sound Film, 1927](https://assets.basta.app/accounts/4832eb18-f9a7-4c12-8295-871abe232696/images/1cef0929-8302-4da7-b511-513f88a1ff02?format=auto&width=1920&quality=75)