Patent DE58541C successfully refreshed from Google Patents.
DE58541C
Active / In Force
DE
Arithmetic teaching aids
Assignee: P. KALISCH, Lehrer in Jetsch b. Golssen
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Filing: —
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Granted: —
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Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 01:01
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/02
Claims Analysis
Total Claims: 0
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