FR790933A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to voltage regulators for electric lighting installations of vehicles running on roads and rails
Assignee: Frank William Wootto Highfield
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Filing: 1935-06-05
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Granted: 1935-11-29
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Expires: 1955-06-05
Abstract
No abstract record available.
Inventors
- 👤 Frank William Wootto Highfield
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 20:23
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/22
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