JY

Jianhan Yu

TR Tda Research: 2 patents #31 of 65Top 50%
📍 Boulder, CO: #2,328 of 5,018 inventorsTop 50%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,227,716 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6248257 Portable heat source William Bell, Robert James Copeland, James L. Dippo 2001-06-19
5935486 Portable heat source William Bell, Robert James Copeland 1999-08-10