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US Patent: 359,378
Graduating-Machine
Patentee:
George F. Ballou - Waltham, MA

USPTO Classifications:
269/68, 33/19.1

Tool Categories:
woodworking machines : specialty machines : tool making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Albert W. Brown
Frances M. Brown

Patent Dates:
Applied: Jun. 09, 1886
Granted: Mar. 15, 1887

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Ballou & Whitcomb

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