DE407111C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electrical resistance made from practically pure silicon
Assignee: Siemens and Halske AG
•
Filing: 1922-02-19
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Granted: 1924-12-09
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Expires: 1942-02-19
Abstract
No abstract record available.
Inventors
- 👤 Dr Bruno Fetkenheuer
- 👤 Prof Dr Phil Hans Gerdien
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 06:47
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/006; H01B; H01B1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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