Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839559 | Radiant energy incandescent lamp | Frederic F. Ahlgren, Rolf S. Bergman, John M. Davenport, Richard L. Hansler, Leonard E. Hoegler | 1989-06-13 |
RH
Robert G. Hantman
Overall (All Time): #3,930,269 of 4,157,543Top 95%
1
Patents All Time