Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D728326 | Funnel | Andrew Wirth | 2015-05-05 |
| D728327 | Funnel | Andrew Wirth | 2015-05-05 |
| D728328 | Funnel | Andrew Wirth | 2015-05-05 |
| D728329 | Funnel | Andrew Wirth | 2015-05-05 |
| D728330 | Funnel | Andrew Wirth | 2015-05-05 |
| D728331 | Funnel | Andrew Wirth | 2015-05-05 |
| D520949 | Tool-less terminal connector for side mount-type battery | — | 2006-05-16 |
| 6942526 | Tool-less terminal connector for side mount-type battery | — | 2005-09-13 |
| D508021 | Tool-less terminal connector for side mount-type battery | — | 2005-08-02 |
| D503645 | Guidance wand | Todd J. Olson | 2005-04-05 |
| D489310 | Wheel chock | Todd J. Olson | 2004-05-04 |
| 6530539 | Internal fluid cooled window assembly | Lee M. Goldman, Steven R. Collins, David B. James, David M. Blanchard | 2003-03-11 |
| D439917 | Shield | — | 2001-04-03 |
| D407642 | Clip-on pouring spout | — | 1999-04-06 |
| D407643 | Clip-on pouring spout | — | 1999-04-06 |
| D402633 | Battery disconnect switch | — | 1998-12-15 |
| D401217 | Battery disconnect switch | — | 1998-11-17 |
| D399492 | Battery disconnect switch | — | 1998-10-13 |
| D397091 | Battery switch | — | 1998-08-18 |
| 5758804 | Clip-on pouring spout | — | 1998-06-02 |
| D299822 | Battery disconnect switch | Wesley H. Constable, Roger W. Jensen | 1989-02-14 |
| D299301 | Funnel | — | 1989-01-10 |
| D297354 | Locking fluid valve | — | 1988-08-23 |
| D297355 | Fluid valve | — | 1988-08-23 |