FR375986A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Gradual speed change
Assignee: ADRIEN DUVAL
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Filing: 1907-03-22
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Granted: 1907-07-27
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Expires: 1927-03-22
Abstract
No abstract record available.
Inventors
- 👤 Adrien Duval
- 👤 Henri Duval
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 18:47
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/12; F16H29/16
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References Cited (Backward Citations)
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