Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435494 | Spreader apparatus for spreading manure | Stanley W. Knight, Ric Joranlien | 1995-07-25 |
| 5385403 | Mixing apparatus for mixing materials | William Knight, Stanley W. Knight, Ric Joranlien | 1995-01-31 |
| 5379940 | Spreader apparatus for spreading manure | Stanley W. Knight, Ric Joranlien | 1995-01-10 |
| 5275335 | Spreader apparatus for spreading manure | Stanley W. Knight, Ric Joranlien | 1994-01-04 |
| 4720047 | Auger for conveying materials such as manure | William Knight | 1988-01-19 |