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US Patent: 1,300,042
Tool Holder
Patentee:
Ludwig Swanson (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
407/109, 407/112

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 13, 1917
Granted: Apr. 08, 1919

Patent Pictures:
USPTO (New site tip)
Google Patents
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