YC

Yat S. Chan

CL City Technology Limited: 5 patents #2 of 30Top 7%
CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
Overall (All Time): #669,077 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5395507 Electrochemical gas sensor William J. Aston 1995-03-07
5321971 Gas diffusion control assembly Bryan Hobbs 1994-06-21
5234567 Gas sensor Bryan Hobbs 1993-08-10
4633704 Gas sensor Anthony D. S. Tantram 1987-01-06
4587003 Gas sensor Anthony D. S. Tantram 1986-05-06
4474648 Gas sensor Anthony D. S. Tantram, Bryan Hobbs, John R. Finbow 1984-10-02
4406770 Gas sensor Anthony D. S. Tantram, Bryan Hobbs, John R. Finbow 1983-09-27
4324632 Gas sensor Anthony D. S. Tantram 1982-04-13