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AT59455B
Expired / Lapsed
AT
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Russian adding machine.
Assignee: Frank Karl Simon
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Filing: 1912-05-02
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Granted: 1913-06-10
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Expires: 1932-05-02
Abstract
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Inventors
- 👤 Frank Karl Simon
Bibliographic Details
Application Number
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Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-04 22:26
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