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US Patent: 2,314,312
Grinding method and apparatus
Patentee:
William C. Knapp (exact or similar names) - East Orange, NJ

USPTO Classifications:
451/216, 451/387, 451/396

Tool Categories:

Assignees:
Mattison Machine Works - Rockford, IL

Manufacturer:
Mattison Machine Works - Rockford, IL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 10, 1941
Granted: Mar. 16, 1943

Patent Pictures:
USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Mattison Machine Works
Description:
"The invention relates to the art of grinding and more particularly to an improved method of an apparatus for grinding arcuate surfaces."

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