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US Patent: 410,303
Hand Screw Clamp
Patentee:
Gilbert A. Waterhouse (exact or similar names) - Quincy, Norfolk County, MA

USPTO Classifications:
269/176, 269/238, 269/243

Tool Categories:
work holding : clamps : hand screws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 01, 1889
Granted: Sep. 03, 1889

Patent Pictures:
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