Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971131 | Countergravity casting using particulate filled vacuum chambers | Charles P. Aubin, John G. Kubisch | 1990-11-20 |
JK
Joseph A. Knapke
Overall (All Time): #3,915,353 of 4,157,543Top 95%
1
Patents All Time