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US Patent: 599,551
Upright Boring and Turning Machine
Patentee:
Leslie H. Colburn (exact or similar names) - Toledo, OH

USPTO Classifications:
29/29

Tool Categories:
metalworking machines : milling machines

Assignees:
Leslie H. Colburn - Toledo, OH
Herbert Baker - Toledo, OH
Arthur E. Baker - Toledo, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 30, 1897
Granted: Feb. 22, 1898

Patent Pictures:
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"Vintage Machinery" entry for Baker Brothers
"Vintage Machinery" entry for Colburn Machine Tool Co.

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