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US Patent: 2,231,252
Tool Holder
Patentee:
Walter L. Chesterman (exact or similar names) - Berkeley, Alameda County, CA

USPTO Classifications:
279/93, 279/97, 403/315, 403/364, D15/140

Tool Categories:
metalworking machines : metalworking machine tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 27, 1939
Granted: Feb. 11, 1941

Patent Pictures:
USPTO (New site tip)
Google Patents
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