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US Patent: 1,948,698
Tool Holder
Patentee:
John M. Christman (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
279/16, 409/178, 464/125

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:
Packard Motor Car Co. - Detroit, Wayne County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 08, 1928
Granted: Feb. 27, 1934

Patent Pictures:
USPTO (New site tip)
Google Patents
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