Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915411 | Recreational vehicle dumpster hose assembly | Howard J. Humphries | 1999-06-29 |
| D367957 | Jewelry grinding stone carrying case | William F. Lambert | 1996-03-19 |
| D332928 | Recreational vehicle trailer leveler | Howard J. Humphries | 1993-02-02 |