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US Patent: 1,638,874
Tool Holder for Lathes
Patentee:
John M. Palmer (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
407/106, 407/117, 407/93, 407/99

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

Assignees:
John M. Palmer - Chicago, Cook County, IL
James D. O'Neil - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 04, 1925
Granted: Aug. 16, 1927

Patent Pictures:
USPTO (New site tip)
Google Patents
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