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US Patent: 1,407,478
Tool Holder
Patentee:
Frank Pretsch (exact or similar names) - Philadelphia, PA

USPTO Classifications:
407/98

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 04, 1920
Granted: Feb. 21, 1922

Patent Pictures:
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