Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070146 | Ticket issuing system, ticket checking system, check system, retrieving system and automatic examination machine | — | 2000-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070146 | Ticket issuing system, ticket checking system, check system, retrieving system and automatic examination machine | — | 2000-05-30 |