Inventor
ERNST STEPHEN M
US12 patents
⚠️ This page may combine multiple inventors who share the name “ERNST STEPHEN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KIDDE PORTABLE EQUIPMENT INC
4 patentsUS6522248B1Feb 18, 2003
Multicondition detection apparatus and method providing interleaved tone and verbal warnings
KIDDE PORTABLE EQUIPMENT INC56 citations93
US6791453B1Sep 14, 2004
Communication protocol for interconnected hazardous condition detectors, and system employing same
KIDDE PORTABLE EQUIPMENT INC48 citations92
US6873254B2Mar 29, 2005
Multicondition detection apparatus and method providing interleaved tone and verbal warnings
KIDDE PORTABLE EQUIPMENT INC25 citations90
US7449990B2Nov 11, 2008
Communication protocol for interconnected hazardous condition detectors, and system employing same
KIDDE PORTABLE EQUIPMENT INC14 citations80