Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949466 | Drawing device having indexable stylus turret | Robert T. Auer, Richard J. Mayer | 1990-08-21 |
| 4889514 | Blinking toy vehicle | Robert T. Auer, Richard L. Keats | 1989-12-26 |