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DE363902C
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DE
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Assignee: DIFFERENTIAL CLOCK CO
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Filing: 1920-07-09
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Granted: 1922-11-14
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Expires: 1940-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 05:23
CPC Classifications
G; G04; G04B; G04B1/00; G04B1/10; G04B1/22; G04B1/225
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