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US Patent: 935,656
Interchangeable Spring Tool Holder for Lathes
Patentee:
Herman A. Hillenbrand (exact or similar names) - Louisville, Jefferson County, KY

USPTO Classifications:
82/161

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: Sep. 02, 1905
Granted: Oct. 05, 1909

Patent Pictures:
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