Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D608516 | Recycling system | John Coleman Cantrell, Jr. | 2010-01-19 |
| D606272 | Recycling system | John Coleman Cantrell, Jr. | 2009-12-15 |
| D605822 | Recycling system | John Coleman Cantrell, Jr. | 2009-12-08 |
| 6059352 | Door assembly for pick-up trucks | Gary Eugene Heldt, Ryan Spencer Marshall, Tadeusz J. Siedlecki | 2000-05-09 |
| 5782523 | Reinforced door assembly for pick-up trucks | Gary Eugene Heldt, Ryan Spencer Marshall, Tadeusz J. Siedlecki | 1998-07-21 |
| 5752737 | Door reinforcement system for pick-up trucks | Gary Eugene Heldt, Ryan Spencer Marshall, Tadeusz J. Siedlecki | 1998-05-19 |