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US Patent: 2,913,019
Tool Holder
Patentee:
Charles W. Sprague (exact or similar names) - Lincoln, Providence County, RI

USPTO Classifications:
142/49, 82/158, D15/140

Tool Categories:
metalworking machines : metal lathes : lathe tool holders and tool posts

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 07, 1957
Granted: Nov. 17, 1959

Patent Pictures:
USPTO (New site tip)
Google Patents
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