CD

Charles F. Doherty

PY Pyrotector: 2 patents #2 of 5Top 40%
Overall (All Time): #2,346,126 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4564762 Smoke detector Robert Johnson 1986-01-14
4529881 Flame detector with test lamp and adjustable field of view Thomas Ceurvels, Rashid A. Chaudhary 1985-07-16