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US Patent: 214,494
Improvement in bench-knives
Patentee:
George S. Derr (exact or similar names) - New Orleans, LA

USPTO Classifications:
144/308

Tool Categories:
work holding

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Ant. Doriocourt
B. Salvy
Patent Dates:
Applied: Jan. 18, 1879
Granted: Apr. 22, 1879

Patent Pictures:
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