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Patent DE935835C successfully refreshed from Google Patents.
DE935835C
Expired / Lapsed
DE
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Double rudder for screw ships
Assignee: Individual
•
Filing: 1949-06-28
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Granted: 1955-12-01
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Expires: 1969-06-28
Abstract
No abstract record available.
Inventors
- 👤 Berthold Ehmsen
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 14:06
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/06; B63H25/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190922021A
Cited
DE590334C
Cited
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