Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D306609 | Point-of-sale terminal | Han Maarschalkerweerd, executor | 1990-03-13 |
| D286788 | Display unit for use with cash register systems | — | 1986-11-18 |
| D282552 | Cash register | — | 1986-02-11 |
| D272630 | Combined multiple-unit motor fuel dispenser | — | 1984-02-14 |