US Patent: 870,203
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Speed-Indicator
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Patentee:
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Charles W. Sponsel (exact or similar names) - Hartford, CT |
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Patent Dates:
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Applied: |
Oct. 18, 1906 |
Granted: |
Nov. 05, 1907 |
Patent Pictures:
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Ralph Brendler
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Description: |
This is a compact design for a speed indicator, which features a rotating counter and spring-loaded clutch. |
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