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All Patents of Type: fire alarms
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
NX-183,504,026Apr. 02, 1835B. Seymour, J. WhippleFire alarm apparatusfire alarms
CA-10,262Jul. 21, 1879A. Anderson, J. NesbittImprovements in fire alarm boxesfire alarms
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