Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044562 | "Dual spray director using an ""H"" annulus" | David W. Rogers, Kurt T. Hertzog, Jay Sofianek | 1991-09-03 |
LR
Lawrence W. Robinson
Overall (All Time): #3,884,305 of 4,157,543Top 95%
1
Patents All Time