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US Patent: 218,767
Improvement in hub-mortising-machine attachments
Patentee:
Plummer H. Parsons - Sacramento, CA

USPTO Classifications:
144/82

Tool Categories:
trade specific : wheelwright

Assignees:
Columbus Waterhouse - San Francisco, CA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 17, 1879
Granted: Aug. 19, 1879

Patent Pictures:
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