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US Patent: 503,125
Clamp
Patentee:
William H. Dana (exact or similar names) - Chicago, IL

USPTO Classifications:
269/147, 269/212, 269/244

Tool Categories:
work holding : clamps

Assignees:
The Chicago Clamp Company - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Harry Cobb Kennedy
Otto Luebkert
Patent Dates:
Applied: Mar. 04, 1892
Granted: Aug. 15, 1893

Patent Pictures:
USPTO (New site tip)
Google Patents
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