Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10159172 | Tine holding apparatus and method for aerating soil | Thomas E. St. Romain | 2018-12-25 |
| 9485898 | Tine holding apparatus and method for aerating soil | Thomas E. St. Romain | 2016-11-08 |
| 9357687 | Apparatus and method for aerating soil | Thomas E. St. Romain | 2016-06-07 |
| 6464016 | Hitch system | Harry Knight, Kinsey Estess | 2002-10-15 |
| 6003612 | Sod replanting tine with a biased slidably positioned plug ejector and method of using | Harry Knight, Kinsey Estess | 1999-12-21 |
| 5709272 | Turf aeration device | Jerry W. Jones, Harry Knight, Kinsey Estess | 1998-01-20 |
| 5570746 | Turf aeration device | Jerry W. Jones, Harry Knight, Kinsey Estess | 1996-11-05 |