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US Patent: 214,403
Improvement in Hand Screw-Clamps
Patentee:
Wilbur F. Lane (exact or similar names) - Boston, MA

USPTO Classifications:
269/220, 269/258, 269/268

Tool Categories:
work holding : clamps : hand screws

Assignees:
None

Manufacturer:
Unknown

Witnesses:
J. E. Maynadier
C. H. Slade
Patent Dates:
Applied: Aug. 31, 1878
Granted: Apr. 15, 1879

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
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