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CH202267A
Expired / Lapsed
CH
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Luminous pencil.
Assignee: Doessegger Otto
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Filing: 1938-04-01
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Granted: —
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Expires: 1958-04-01
Abstract
No abstract record available.
Inventors
- 👤 Doessegger Otto
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 20:53
CPC Classifications
B; B43; B43K; B43K29/00; B43K29/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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