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US Patent: 638,712
Rabbeting Machine for Oval Hand Holes
Patentee:
Campbell P. Higgins (exact or similar names) - Roselle, Union County, NJ

USPTO Classifications:
409/143, 409/203, 82/1.3, 82/128

Tool Categories:
specialty tools : boiler repair tools
metalworking tools : portable turning tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 24, 1899
Granted: Dec. 12, 1899

Patent Pictures:
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