HC

Hai Yan Cao

SS S. C. Johnson & Son: 4 patents #401 of 1,588Top 30%
Overall (All Time): #1,136,860 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11213023 Volatile material dispensing system Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi 2022-01-04
9498554 Dispensing device Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi 2016-11-22
D733275 Dispensing device Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi 2015-06-30
D730505 Dispensing device Amos Chen, Shumao Han, Joanna Jia, Salvador Munoz, Deliang Shi 2015-05-26