Patent US2882197A successfully refreshed from Google Patents.
Patent FR832164A successfully refreshed from Google Patents.
FR832164A
Expired / Lapsed
FR
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Device for underwater vision
Assignee: Aime-Fernand Krug
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Filing: 1937-04-29
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Granted: 1938-09-22
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Expires: 1957-04-29
Abstract
No abstract record available.
Inventors
- 👤 Aime-Fernand Krug
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/16; G02B23/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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