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US Patent: 1,980,922
Shaper
Patentee:
Frank Kinzbach - Houston, Harris County, TX

USPTO Classifications:
82/113, 82/128

Tool Categories:
metalworking machines : pipe cutting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 19, 1932
Granted: Nov. 13, 1934

Patent Pictures:
USPTO pdf tiff
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