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Klangfilm GmbH

Klangfilm
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2223033A Strip feeding for sound and sound picture systems Expired / Lapsed 1937-04-09 1940-11-26 0 Details
US2085205A Method and means to scan sound films with a plurality of sc… Expired / Lapsed 1935-03-26 1937-06-29 0 Details