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Patrick F. C. Hung — 4 Patents

PPPatrick Plastics: 4 patents #1 of 3Top 35%
Toronto, CA: #2,055 of 9,482 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Patrick F. C. Hung has been granted 4 US patents while listed as an inventor at Patrick Plastics. The first was granted in 1987 and the most recent in September 2001. Patrick F. C. Hung ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Patrick F. C. Hung in Toronto, ON, CA.

Patents per Year

Patents granted per year, 1987 to 2001Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19871997: 1 patents19971998: 1 patents19982001: 1 patents2001

Issued Patents All Time

Showing 1–4 of 4 patents

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

Frequent Collaborators

James Chan2 shared

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