DE904444C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electron tubes for very short electrical waves
Assignee: Siemens Corp
•
Filing: 1944-09-24
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Granted: 1954-02-18
•
Expires: 1964-09-24
Abstract
No abstract record available.
Inventors
- 👤 Dr Heinrich Kniepkamp
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 12:08
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/065
Claims Analysis
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References Cited (Backward Citations)
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