Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513322 | Reverse operation safety circuit | David A. Straka, Arthur James Harvey | 2009-04-07 |
| 7422078 | Reverse operation safety circuit | David A. Straka, Arthur James Harvey | 2008-09-09 |
| 7237633 | Reverse operation safety circuit | David A. Straka, Arthur James Harvey | 2007-07-03 |
| 7064639 | Electromagnetic latching switch | Arthur James Harvey, Michael Eric Liedtke | 2006-06-20 |
| 6868925 | Engine with integral actuator | Harlin J. Trefz | 2005-03-22 |
| 6543560 | Hydrostatic transmission with integral actuator | Harlin J. Trefz | 2003-04-08 |