Patent DE821944C successfully refreshed from Google Patents.
DE821944C
Expired / Lapsed
DE
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Device for projecting typed characters while writing
Assignee: Optische Werke CA Steinheil Soehne GmbH
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Filing: 1948-10-02
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Granted: 1951-11-22
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Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Josef Bachel
- 👤 Willi Wessel
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 03:33
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/18; B41J29/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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