DE699080C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for the production of spark plug stones
Assignee: Robert Bosch GmbH
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Filing: 1938-07-17
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Granted: 1940-11-22
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Expires: 1958-07-17
Abstract
No abstract record available.
Inventors
- 👤 Eugen Dreher
- 👤 Dr Phil Emil Klingler
- 👤 Dipl-Ing Gerhard Weitbrecht
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 21:37
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/20; B28B3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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