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US Patent: 19,638
Marine Drag
Floating Anchor and Life-Preserver
Patentee:
Joseph Humphries (exact or similar names) - Washington, DC

USPTO Classifications:
114/311, 441/35

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Thomas Champion
Daniel Kleiss
Patent Dates:
Granted: Mar. 16, 1858

Patent Pictures:
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Google Patents
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