Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D703875 | Head shield | Charles D. Richardson, Justin E. Niefer | 2014-04-29 |
| 5368100 | Coiled tubing actuated sampler | Roger L. Schultz | 1994-11-29 |
| 5044020 | Urinal for convenience and training of juvenile males | Edward J. Guard | 1991-09-03 |