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All Patents of Type: fire alarms | |||||
Number | Date | Patentee | Title | Type | |
NX-183,504,026 | Apr. 02, 1835 | B. Seymour, J. Whipple | Fire alarm apparatus | fire alarms | |
CA-10,262 | Jul. 21, 1879 | A. Anderson, J. Nesbitt | Improvements in fire alarm boxes | fire alarms |