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US Patent: 98,116
Improvement in floor-clamp
Patentee:
Joseph B. Spencer (exact or similar names) - Norwich, CT

USPTO Classifications:
254/15

Tool Categories:
work holding : clamps : floor clamps

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. T. Dow
Ch. Hansel
Patent Dates:
Granted: Dec. 21, 1869
Antedated: Dec. 17, 1869

Patent Pictures: [ 1 | 2 ]
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