Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324405 | Board games having variable game-piece-energized circuits | Frederick W. Kruger, Jr. | 1982-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324405 | Board games having variable game-piece-energized circuits | Frederick W. Kruger, Jr. | 1982-04-13 |