Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D275738 | Card-counting device | — | 1984-10-02 |
| D269628 | Card-shuffling device | Betty Willette | 1983-07-05 |
| 4310160 | Card shuffling device | Betty Willette | 1982-01-12 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D275738 | Card-counting device | — | 1984-10-02 |
| D269628 | Card-shuffling device | Betty Willette | 1983-07-05 |
| 4310160 | Card shuffling device | Betty Willette | 1982-01-12 |