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US Patent: 214,403
Improvement in Hand Screw-Clamps
Patentee:
Wilbur F. Lane - Boston, MA

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

Tool Categories:
work holding : clamps : hand screws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. E. Maynadier
C. H. Slade

Patent Dates:
Applied: Aug. 31, 1878
Granted: Apr. 15, 1879

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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