Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358246 | Noise reduction means for prop-fan and the construction thereof | Frederick B. Metzger | 1982-11-09 |
DH
Donald Hanson
Overall (1982): #68,835 of 81,411Top 85%
1
Patents 1982