Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7219819 | Self-venting valve | John S. Gruver, Christian Randhahn, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2007-05-22 |
JH
J Wayne Halfacre
Overall (All Time): #3,386,085 of 4,157,543Top 85%
1
Patents All Time