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US Patent: 1,237,185
Tool Holder
Patentee:
Adam L. Ewen (exact or similar names) - North Smithfield, Providence County, RI

USPTO Classifications:
408/116, 408/181

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders
metalworking tools : boring bars

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 30, 1916
Granted: Aug. 14, 1917

Patent Pictures:
USPTO (New site tip)
Google Patents
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