Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229015 | Self-checkout system | — | 2007-06-12 |
| 7048184 | Multiple self-checkout system having integrated payment device | — | 2006-05-23 |
| 6991066 | Customized self-checkout system | — | 2006-01-31 |
| 6497362 | Method and apparatus for wireless assistance for self-service checkout | Norman Tsang, Robert E. Costello, Scott Martin, Derek E. Williams | 2002-12-24 |