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US Patent: 385,845
Tool Post Ring
Patentee:
William S. Cobb (exact or similar names) - Philadelphia, PA

USPTO Classifications:
142/55, 144/238, 411/531, 82/161

Tool Categories:
metalworking machines : metal lathes : lathe tool holders and tool posts

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 25, 1888
Granted: Jul. 10, 1888

Patent Pictures:
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