Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045615 | Homogeneous screening nozzle | Alvin W. Buechele, John T. Butler, Philo B. Hodge | 2000-04-04 |
DP
David C. Polgrean
Overall (All Time): #3,611,296 of 4,157,543Top 90%
1
Patents All Time