Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220364 | Seeder with outrigger marker | Matt Tkachyk | 2001-04-24 |
| 4819734 | Lawn aerator with rocker arm tine synchronizing means | — | 1989-04-11 |
| 4662456 | Self-propelled lawn aeration machine | — | 1987-05-05 |
| 4606411 | Self-propelled lawn aeration machine | — | 1986-08-19 |
| 4606412 | Tine support and drive mechanism for a compact self-propelled lawn aeration machine having means for varying both forward travel speed and depth of tine penetration | — | 1986-08-19 |
| 4279104 | Sign post construction having reciprocable driver for placement and removal | — | 1981-07-21 |