Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558558 | Lawn mower traction control system | Herbert F. Horner, Jr., Michael M. Zenner, Herman P. Christopherson | 1985-12-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558558 | Lawn mower traction control system | Herbert F. Horner, Jr., Michael M. Zenner, Herman P. Christopherson | 1985-12-17 |