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US Patent: 579,965
Portable Tool Post
Patentee:
Thomas Dowman (exact or similar names) - Chester, Randolph County, IL

USPTO Classifications:
82/137, 82/161

Tool Categories:
specialty machines : commutator dressing machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 28, 1896
Granted: Apr. 06, 1897

Patent Pictures:
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