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US Patent: 438,416
Watch maker's roller extractor
Patentee:
Franklin Hardinge - Chicago, IL

USPTO Classifications:
29/232

Tool Categories:
trade specific : watchmaker

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. G. McMillan
Charles C. Baldwin

Patent Dates:
Applied: Jan. 25, 1890
Granted: Oct. 14, 1890

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Hardinge Brothers

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