PH

Patrick F. C. Hung

PP Patrick Plastics: 4 patents #1 of 3Top 35%
Overall (All Time): #1,277,430 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6282940 Apparatus for testing carbon monoxide alarms James Chan 2001-09-04
5786768 Clock radio gas detector apparatus and method for alerting residents to hazardous gas concentrations James Chan 1998-07-28
5672806 Method and apparatus for calibrating a gas detector sensor 1997-09-30
D292743 Circuit board carrier 1987-11-17