CH49614A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Pen box with counting frame and a device for learning to read
Assignee: Ehrat Fuchs Jakob
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Filing: 1909-10-04
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Granted: —
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Expires: 1929-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jakob Ehrat-Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-04 16:34
CPC Classifications
—
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