GB508697A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in and relating to thermionic valve circuits of the push-pull type
Assignee: HORACE DUDLEY MCDONOGH ELLIS
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Filing: 1938-01-04
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Granted: —
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Expires: 1958-01-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-31 04:33
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/26; H03F3/28
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