US Patent: 980,053 - Grinding and polishing machine


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US Patent: 980,053

Grinding and polishing machine

Patentees:

John C. Blevney (exact or similar names) - Newark, NJ

John Hausman (exact or similar names) - Newark, NJ

USPTO Classifications:

451/303, 451/305, 451/311, 451/364, 451/365

Tool Categories:

woodworking machines : sanding machines

woodworking machines : specialty woodworking machines : tool making machines

Assignees:

Atha Tool Co. - Newark, NJ

Manufacturer:

Production Machine Co. - Greenfield, MA

Witnesses:

John J. Ranagan

Isabel R. Richards

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

Patent Pictures:

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Google Patents
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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."