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Ping-Li Yen

UN Unknown: 1 patents #273 of 2,925Top 10%
🗺 California: #4,287 of 28,521 inventorsTop 20%
Overall (2003): #47,758 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6571882 Fire fighting vehicle and equipment 2003-06-03
6510901 Portable fire protection apparatus and method using water mist Zhigang Liu, Donald W. Carpenter, Andrew Kim 2003-01-28