Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041869 | Turf aerator with constantly vertical tines | D. Michael Lewis, Craig M. Schmeiser | 2000-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041869 | Turf aerator with constantly vertical tines | D. Michael Lewis, Craig M. Schmeiser | 2000-03-28 |