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US Patent: 108,367
Improvement in boring tools
Patentee:
William P. Lathrop (exact or similar names) - West Winsted, CT

USPTO Classifications:
144/196, 144/75, 30/165, 30/167, 30/321, 30/322

Tool Categories:
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. S. Woodford
Wallace Persons

Patent Dates:
Granted: Oct. 18, 1870

Patent Pictures:
USPTO (New site tip)
Google Patents
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