Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503699 | Applying patches from mold cavity surface on ball and impressing patterns | Donald Ratner, Frank Hsieh | 1996-04-02 |
| 5427372 | Applying patches and impressing patterns on ball | Donald Ratner | 1995-06-27 |
| 5354053 | Play ball | Donald Ratner, Frank Hsieh | 1994-10-11 |
| 5266980 | Synchronized audio visual story-telling toy | Edward L. Gussin, Donald Ratner | 1993-11-30 |