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US Patent: 1,915
Fire-alarm
Patentee:
Rufus Porter (exact or similar names) - Billerica, MA

USPTO Classifications:
116/102

Tool Categories:
specialty tools : firefighting tools : fire alarms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Stephen L. Porter
A. Wight
Patent Dates:
Granted: Dec. 28, 1840

Patent Pictures:
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