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US Patent: 176,116
Improvement in machines for boring pipe-stems
Patentee:
McClintock Young (exact or similar names) - Frederick, MD

USPTO Classifications:
144/93.1, 408/107

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : specialty woodworking machines
woodworking machines : wood drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James J. English
John A. Simmons

Patent Dates:
Applied: Jun. 19, 1875
Granted: Apr. 11, 1876

Patent Pictures:
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