Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323894 | Circuit for driving electromagnetically-actuated displays | Kenneth Davidson | 1982-04-06 |
| 4321784 | Height of cut adjustment | Gary R. Lamusga | 1982-03-30 |
| 4306408 | Grass catcher assembly | Herman P. Christopherson | 1981-12-22 |