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US Patent: 1,323
Safety-door lock
Patentee:
William Stillman (exact or similar names) - Westerly, RI

USPTO Classifications:
70/354

Tool Categories:
hardware : locks
transportation : canals : locks
household : door and window hardware

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George Sheffield
Horatio S. Berry
Patent Dates:
Granted: Sep. 14, 1839
Antedated: Mar. 14, 1839

Patent Pictures:
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