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US Patent: 2,428,248
Work holding attachment for surface grinders
Patentee:
Charles W. Strong (exact or similar names) - Wynnewood, PA

USPTO Classifications:
451/221, 451/397

Tool Categories:
metalworking machines : grinders : surface grinders

Assignees:
None

Manufacturer:
Brown & Sharpe Mfg. Co. - Providence, RI

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 30, 1945
Granted: Sep. 30, 1947

Patent Pictures:
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Vintage Machinery entry for Brown & Sharpe Mfg. Co.
Description:
This patent number was seen on an example with "Brown & Sharpe Mfg. Co. / Providence, R.I. U.S.A." cast into the bed.

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