Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D599131 | Voting booth | Brian Brucker | 2009-09-01 |
| 6264349 | Adjustable lamp | — | 2001-07-24 |
| 4979533 | Adjustable orthopedic crutch | Ries B. Hansen | 1990-12-25 |
| 4753259 | Adjustable folding walking aid | Ries B. Hansen | 1988-06-28 |