Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981259 | Ballot box | — | 1991-01-01 |
| 4854652 | Dual voting booth package | — | 1989-08-08 |
| 4712757 | Portable voting booth adapter | — | 1987-12-15 |
| 4642450 | Punching stylus for handicapped users | — | 1987-02-10 |
| 4569564 | Compact portable voting booth | — | 1986-02-11 |
| 4445731 | Portable voting booth | — | 1984-05-01 |
| 4297566 | Punch frame for data registering device | — | 1981-10-27 |
| 4258249 | Stylus for tabulating device | — | 1981-03-24 |