Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9135542 | Handheld scanner device with display location database | Daniel R. Ferrell, David E. Caldwell | 2015-09-15 |
| 8190497 | Handheld scanner device with display location database | Daniel R. Ferrell, David E. Caldwell | 2012-05-29 |
| 6106273 | Ball mandrel apparatus and method | — | 2000-08-22 |