Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326269 | Scramble-circuited quiz-module w/overlaying Q&A-sheets | Maurice S. Kalik | 1994-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326269 | Scramble-circuited quiz-module w/overlaying Q&A-sheets | Maurice S. Kalik | 1994-07-05 |