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US Patent: 1,188,349
Key for watchmen's clocks
Patentee:
Franklin Hardinge (exact or similar names) - Chicago, IL

USPTO Classifications:
346/144

Tool Categories:

Assignees:
Hardinge Brothers - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Albert C. Bell
Robert F. Bracke

Patent Dates:
Applied: Nov. 25, 1910
Granted: Jun. 20, 1916

Patent Pictures:
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Vintage Machinery entry for Hardinge Brothers

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