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US Patent: 259,903
Device for Threading Plugs
Patentees:
Jay H. Newbury (exact or similar names) - Coxsackie, Greene County, NY
George A. Chapman (exact or similar names) - Coxsackie, Greene County, NY

USPTO Classifications:
82/165

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 25, 1882
Granted: Jun. 20, 1882

Patent Pictures:
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