Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5411457 | Infant exercise and entertainment device | George Hartdegen, Jr., deceased | 1995-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5411457 | Infant exercise and entertainment device | George Hartdegen, Jr., deceased | 1995-05-02 |