Inventor
CARLL RICHARD T
US4 patents
Patents
4 patentsUS4688183AAug 18, 1987
Fire and security system with multi detector-occupancy-temperature-smoke (MDOTS) sensors
UNITED TECHNOLOGIES CORP87 citations94
US4654640AMar 31, 1987
Digital PBX integrated workstation security system
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US4241398ADec 23, 1980
Computer network, line protocol system
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US4551832ANov 5, 1985
Telephone based control system
UNITED TECHNOLOGIES CORP23 citations76