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US Patent: 61,457
Improvement in Vises
Patentee:
James S. Ralston (exact or similar names) - Indiana, PA

USPTO Classifications:
24/524, 24/568, 269/218, 269/230, 269/232

Tool Categories:
work holding : vises : leg vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
David Keeley
Patent Dates:
Granted: Jan. 22, 1867

Patent Pictures: [ 1 | 2 ]
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