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US Patent: 1,883,713
Tool Holder
Patentee:
Charles B. Gray (exact or similar names) - Millbourne, Delaware County, PA

USPTO Classifications:
279/156, 279/56, 83/916

Tool Categories:
metalworking machines : metalworking machine tool holders
metalworking machines : metal punching machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 25, 1930
Granted: Oct. 18, 1932

Patent Pictures:
USPTO (New site tip)
Google Patents
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