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US Patent: 161,820
Improvement in Vises
Patentees:
Matthew Picken (exact or similar names) - Birmingham, England
William Picken (exact or similar names) - Birmingham, England

USPTO Classifications:
269/222, 269/246, 269/256

Tool Categories:
work holding : vises : bench vises

Assignees:
None

Manufacturer:
Matthew Picken - Birmingham, England

Witnesses:
George Shaw
Richard Skerrett
Patent Dates:
Applied: Nov. 30, 1874
Granted: Apr. 06, 1875

Patent Pictures: [ 1 | 2 ]
Patent Fig. 1 & 2
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