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US Patent: 1,438,368
Tool Holder
Patentee:
William J. Dorrans (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
407/83, 407/92

Tool Categories:
metalworking machines : metal planers : metal planer tool holders
metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 13, 1922
Granted: Dec. 12, 1922

Patent Pictures:
USPTO (New site tip)
Google Patents
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