Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5825974 | Electric fan heater with switchable series/parallel heating elements | Richard Hingley | 1998-10-20 |
DH
Duncan N. Hutton
Overall (All Time): #3,700,463 of 4,157,543Top 90%
1
Patents All Time