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US Patent: 297,981
Ring and Watch Case Attachment for Engraving Machines
Jeweler's Vise
Patentee:
Allan E. Francis (exact or similar names) - Cleveland, OH

USPTO Classifications:
269/156, 81/4

Tool Categories:
work holding : vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Jenny L. Francis
M. M. Francis
Patent Dates:
Applied: Nov. 16, 1881
Granted: May 06, 1884

Patent Pictures:
Patent Fig. 1 & 2
USPTO (New site tip)
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