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US Patent: 499,494
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Patentee:
Charles H. Ayars (exact or similar names) - Havre De Grace, MD

USPTO Classifications:
269/183, 269/223, 269/261, 269/296, 269/311

Tool Categories:
work holding : vises : bench vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
David M. Ayars
J. W. Foster
Patent Dates:
Applied: Feb. 17, 1893
Granted: Jun. 13, 1893

Patent Pictures:
Fig. 1
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