Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362104 | Non-scored ballot card | John W. Donahue | 1994-11-08 |
| 5260550 | Punch-type vote recording device | John W. Donahue | 1993-11-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362104 | Non-scored ballot card | John W. Donahue | 1994-11-08 |
| 5260550 | Punch-type vote recording device | John W. Donahue | 1993-11-09 |