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US Patent: 1,043,194
Grinding and polishing machine
Patentee:
John C. Blevney (exact or similar names) - Newark, NJ

USPTO Classifications:
451/300, 451/303, 451/309

Tool Categories:
woodworking machines : sanding machines

Assignees:
None

Manufacturer:
Production Machine Co. - Greenfield, MA

Witnesses:
Frederick C. Fraentzel
Frederick H. W. Fraentzel

Patent Dates:
Applied: Nov. 27, 1911
Granted: Nov. 05, 1912

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Production Machine Co.
Description:
"The present invention has for its principle object to provide an efficient apparatus for grinding and polishing objects having two or more flat surfaces, such for example as square, or other polygonally-shaped rods or tubing..."

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