Hamartia Antidote
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Great American Inventors/Inventions
Invention: Battery powered home Smoke Detector (1965)
Inventor: Duane D Pearsall ( Smoke Guard ) and engineer Lyman Blackwell
Duane Pearsall is considered the "father of smoke detectors".
Lyman Blackwell
Invention: Battery powered home Smoke Detector (1965)
Inventor: Duane D Pearsall ( Smoke Guard ) and engineer Lyman Blackwell
Duane Pearsall is considered the "father of smoke detectors".
Lyman Blackwell
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