US Patent: 8,216 - Mode of Securing Pinions and Staffs of Watches in Lathe or Bench Chucks


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US Patent: 8,216

Mode of Securing Pinions and Staffs of Watches in Lathe or Bench Chucks

Patentee:

James M. Bottum (exact or similar names) - New York, NY

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

James M. Bottum - New York, NY

Witnesses:

Patent Dates:
Granted:	Jul. 15, 1851

Reissue Information:
Reissued as RE375 (Jul. 08, 1856)

Patent Pictures: