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US Patent: 1,287,971
Tool Holder
Patentee:
Noah H. Groff (exact or similar names) - Ardmore, Montgomery County, PA

USPTO Classifications:
407/74, 407/75, 407/76, 408/151

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: Apr. 17, 1918
Granted: Dec. 17, 1918

Patent Pictures:
USPTO (New site tip)
Google Patents
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