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US Patent: 153,133
J-Clamp
Improvement in Clamps
Patentee:
Cornelius S. Van Wagoner (exact or similar names) - Brooklyn, NY

USPTO Classifications:
269/171, 269/238

Tool Categories:
work holding : clamps : bar and pipe clamps

Assignees:
None

Manufacturer:
Van Wagoner & Williams Hardware Co. - Brooklyn, NY

Witnesses:
William B. Haulenbeck
M. E. Halsey

Patent Dates:
Applied: Feb. 24, 1874
Granted: Jul. 14, 1874

Patent Pictures:
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Report data errors or omissions to steward Carl Matthews
Vintage Machinery entry for Van Wagoner & Williams Hardware Co.

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