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US Patent: 144,693
Machines for Nicking and Shaving Screw-Blanks
Patentees:
Edward Nugent - Brooklyn, NY
John Fanning - Brooklyn, NY

USPTO Classifications:
470/61

Tool Categories:
metalworking machines : screw machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 29, 1873
Granted: Nov. 18, 1873

Patent Pictures:
USPTO pdf tiff
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