Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135225 | Overlapping rotatable disc type puzzle | Ede Pszotka, Jr., Istvanne Sarosi | 1992-08-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135225 | Overlapping rotatable disc type puzzle | Ede Pszotka, Jr., Istvanne Sarosi | 1992-08-04 |