Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10515568 | Flexible drive shaft for greeting cards and the like | Douglas M. Bowen, Robert A. Covey, Thomas A. Wallen | 2019-12-24 |
| 10329047 | Collapsible virtual reality viewer assembly | Thomas A. Wallen, Scott A. Schimke | 2019-06-25 |