Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198051 | Computerized pin ball machine | William H. Englehardt | 1980-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198051 | Computerized pin ball machine | William H. Englehardt | 1980-04-15 |