Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7204046 | Excavator sizing bucket | — | 2007-04-17 |
| RE38765 | Combination screen/conveyor device removably attachable to a vehicle | — | 2005-08-02 |
| 6834447 | Excavator sizing bucket | — | 2004-12-28 |
| 6138837 | Combination screen/conveyor device removably attachable to a vehicle | Cathy D. Santa Cruz | 2000-10-31 |
| 5282963 | Magnetically attached magnet for oil filters | Harold L. Hull | 1994-02-01 |
| 5018651 | Side or end dump article carrier | Harold L. Hull | 1991-05-28 |
| 4938399 | Article carrier | Harold L. Hull | 1990-07-03 |