Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6859145 | Safety system | Scott D. Wilker, Kenneth R. Altberg, Ronald S. Hollister | 2005-02-22 |
| 6798348 | Ergonomically designed tool handle | Scott D. Wilker, Kenneth R. Altberg, Ronald S. Hollister | 2004-09-28 |