Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323238 | Action toy requiring space perception and eye/hand coordination | Hans E. I. Jernstrom, Ronald Liedtke | 1982-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323238 | Action toy requiring space perception and eye/hand coordination | Hans E. I. Jernstrom, Ronald Liedtke | 1982-04-06 |