Patent US3669133A successfully refreshed from Google Patents.
Patent FR1109404A successfully refreshed from Google Patents.
FR1109404A
Expired / Lapsed
FR
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multilayer type transistor element and method of manufacture thereof
Assignee: Koninklijke Philips NV
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Filing: 1954-01-20
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Granted: 1956-01-27
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Expires: 1974-01-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 14:53
CPC Classifications
H; H10; H10D; H10D99/00
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