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US Patent: 175,863
Improvement in vises
Patentee:
William E. Kramar (exact or similar names) - Philadelphia, PA

USPTO Classifications:
269/164, 269/262, 269/271

Tool Categories:
work holding : vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 06, 1875
Granted: Apr. 11, 1876

Patent Pictures:
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