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US Patent: 1,250,154
Tool Holder
Patentee:
Humphrey A. Ellis (exact or similar names) - Ridley Park, Delaware County, PA

USPTO Classifications:
407/107, 407/80

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 22, 1916
Granted: Dec. 18, 1917

Patent Pictures:
USPTO (New site tip)
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