Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464572 | Infrared photoemitting diode having reduced work function | — | 1984-08-07 |
| 4425136 | Minimally refined biomass fuel | Richard K. Pearson | 1984-01-10 |
TH
Tomas B. Hirschfeld
US Dept of Energy: 7 patents #38 of 5,099Top 1%
Unknown: 3 patents #7,366 of 83,584Top 9%
US Air Force: 1 patents #6,190 of 16,312Top 40%
Overall (All Time): #148,249 of 4,157,543Top 4%
27
Patents All Time