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US Patent: 23,043
Blind-fastening
Patentee:
Rufus Porter (exact or similar names) - Washington, DC

USPTO Classifications:
292/162

Tool Categories:
household : door and window hardware

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
S. Masters
W. M. Bryant
Patent Dates:
Granted: Feb. 22, 1859

Patent Pictures:
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