Patent US723608A successfully refreshed from Google Patents.
Patent FR695041A successfully refreshed from Google Patents.
FR695041A
Expired / Lapsed
FR
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Device for synchronizing the projection apparatus and the phonograph, with a view to the use of sound films
Assignee: Eugene-Alexandre Huguenard
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Filing: 1929-08-08
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Granted: 1930-12-10
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Expires: 1949-08-08
Abstract
No abstract record available.
Inventors
- 👤 Eugene-Alexandre Huguenard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 03:28
CPC Classifications
G; G03; G03B; G03B31/00
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Total Claims: 0
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References Cited (Backward Citations)
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