Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565407 | Talking doll having head movement responsive to external sound | Virgil W. Wulff | 2003-05-20 |
| 4597700 | Record engraving apparatus | James A. Chenoweth | 1986-07-01 |
| 4329808 | Paper-airplane-making and launching device | Hubert A. Rich, Gary M. Saffer | 1982-05-18 |