Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363987 | Newspaper vending unit | Danny E. Crawford, Gene A. Hall, Dennis A. Jendro, Dennis P. Rolph, Paul D. Elst +5 more | 1994-11-15 |
| 5142852 | Dethatching apparatus | — | 1992-09-01 |
| 5036651 | Dethatching apparatus | — | 1991-08-06 |
| 4910948 | Front mounted dethatching apparatus | — | 1990-03-27 |