FR706772A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for recording and projecting similar images
Assignee: John Henry Owen Harries
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Filing: 1930-12-01
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Granted: 1931-06-29
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Expires: 1950-12-01
Abstract
No abstract record available.
Inventors
- 👤 John Henry Owen Harries
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 05:47
CPC Classifications
G; G02; G02B; G02B13/00
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