Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865318 | Ball tossing device | Roger W. Lehmann | 1989-09-12 |
| 4817209 | Child's baseball glove | Roger W. Lehmann | 1989-04-04 |
| 4799915 | Radio-controlled robot operator for battery-powered toys | Roger W. Lehmann | 1989-01-24 |