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US Patent: 2,850,338
High speed bearing
Patentee:
John F. Kopczynski - North Tonawanda, NY

USPTO Classifications:
384/549, 476/67

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine bearings

Assignees:
None

Manufacturer:
St. Mary Manufacturing Corp. - North Tonawanda, NY

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 06, 1955
Granted: Sep. 02, 1958

Patent Pictures:
USPTO pdf tiff
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Description:
Seen on a Model 500M spin roll from St. Mary Manufacturing Corp.

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