Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366221 | Random play indicator | Stephen R. Schwartz, Howard S. Kamentsky | 1994-11-22 |
| 5219433 | Sequential response determining question game | John V. Zaruba, John Sutyak, Douglas Harrison | 1993-06-15 |
| 4562844 | Multipurpose syringe | Tristram Carpenter | 1986-01-07 |