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US Patent: 2,981,037
Workholder and method for internal grinding
Patentee:
Charles J. Terp (exact or similar names) - Springfield, VT

USPTO Classifications:
279/136, 279/141, 451/398, 451/47

Tool Categories:
metalworking machines : grinders

Assignees:
Bryant Chucking Grinder Co. - Springfield, VT

Manufacturer:
Bryant Chucking Grinder Co. - Springfield, VT

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 17, 1958
Granted: Apr. 25, 1961

Patent Pictures:
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Vintage Machinery entry for Bryant Chucking Grinder Co.
Description:
This work holder is intended particularly for "manufacturing of sundry parts for office and accounting machines, calculators, cash registers and the like".

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