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US Patent: 135,898
Screw Bolts and Nuts
Patentee:
Thomas English (exact or similar names) - Dulwich, Surrey County, England

USPTO Classifications:
411/436, 411/929

Tool Categories:
hardware : fasteners : nuts and bolts

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 18, 1873

Patent Pictures:
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