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US Patent: 1,052,453
Grinding and polishing machine
Patentee:
John C. Blevney (exact or similar names) - Newark, NJ

USPTO Classifications:
451/301, 451/309

Tool Categories:
woodworking machines : sanding machines

Assignees:
None

Manufacturer:
Production Machine Co. - Greenfield, MA

Witnesses:
Frederick H. W. Fraentzel
George D. Richards

Patent Dates:
Applied: Sep. 09, 1911
Granted: Feb. 11, 1913

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Production Machine Co.
Description:
"...the present invention has for its principal object to provide an efficient and automatically operating grinding and polishing machine adapted, more particularly, to grind and polish objects having round or cylindrical surfaces..."

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