Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9381124 | Wheelchairs and wheeled vehicles | — | 2016-07-05 |
| 8905420 | Wheelchairs and wheeled vehicles devices | — | 2014-12-09 |
| D290981 | Toy bear figure | Ralph Shaffer, William Davidson, Elena Kucharik | 1987-07-21 |
| D290982 | Toy bear figure | Ralph Shaffer, William Davidson, Elena Kucharik | 1987-07-21 |
| D290980 | Toy bear figure | Ralph Shaffer, William Davidson, Elena Kucharik | 1987-07-21 |
| D290726 | Doll | Howard N. Bollinger, Susan M. Holthaus, Cathy L. Veness, Jane C. Abbott, Cheryl L. Cozad +3 more | 1987-07-07 |
| D290725 | Doll | Howard N. Bollinger, Susan M. Holthaus, Cathy L. Veness, Jane C. Abbott, Cheryl L. Cozad +3 more | 1987-07-07 |