Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889437 | Ticket issuing machines | Graham P. Sewell | 1989-12-26 |
| 4845650 | Ticket issuing systems | Roger D. Meade, Michael Wright | 1989-07-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889437 | Ticket issuing machines | Graham P. Sewell | 1989-12-26 |
| 4845650 | Ticket issuing systems | Roger D. Meade, Michael Wright | 1989-07-04 |