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US Patent: 1,344,537
Tool Holder
Patentee:
Gustav Kalberer (exact or similar names) - Knoxville, Allegheny County, PA

USPTO Classifications:
407/112

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: Apr. 15, 1919
Granted: Jun. 22, 1920

Patent Pictures:
USPTO (New site tip)
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