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US Patent: 980,053
Grinding and polishing machine
Patentees:
John Hausman - Newark, NJ
John C. Blevney - Newark, NJ

USPTO Classifications:
451/303, 451/305, 451/311, 451/364, 451/365

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

Assignees:
Atha Tool Co. - Newark, NJ

Manufacturer:
Production Machine Co. - Greenfield, MA

Witnesses:
Isabel R. Richards
John J. Ranagan

Patent Dates:
Applied: May 20, 1909
Granted: Dec. 27, 1910

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Production Machine Co.
Description:
"As our present embodiment we have illustrated the machine as used for grinding the sides of a hammer, but it is to be understood that other articles may be ground or polished thereby."

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