Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880964 | Scannable fraud preventing coupon | — | 1989-11-14 |
| 4801076 | Advertising pouch assembly for distributing advertising literature or the like | Donald W. Schoenleber, Frederick Grainger | 1989-01-31 |