Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307044 | Rotary sprinkler | Damon A. Johnston | 1990-04-03 |
| 4764047 | Vehicle and patio washing brush | Damon A. Johnston, George L. Garcia, Thomas L. Drehobl | 1988-08-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307044 | Rotary sprinkler | Damon A. Johnston | 1990-04-03 |
| 4764047 | Vehicle and patio washing brush | Damon A. Johnston, George L. Garcia, Thomas L. Drehobl | 1988-08-16 |