Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6517112 | Combined trailer crank and locking mechanism | — | 2003-02-11 |
| 5560233 | Air brake valve shackle | — | 1996-10-01 |
| 5494576 | System and method for treating water | Jeffrey E. Hoppe | 1996-02-27 |
| 5433866 | System and method for treating water | Jeffrey E. Hoppe | 1995-07-18 |