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US Patent: 734,799
Tool Grinding Machine
Patentee:
John Sellers Bancroft - Philadelphia, PA

USPTO Classifications:
451/213, 451/365, 451/377, 451/406, 74/25, 74/40, 74/99R

Tool Categories:
metalworking machines : grinders : tool grinders

Assignees:
William Sellers & Co., Inc. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 11, 1903
Granted: Jul. 28, 1903

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for William Sellers & Co.

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