Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845761 | Letter mail address block locator system | Grant M. Cate, Kenneth T. Lovelady, Mark Woolston | 1989-07-04 |
| 4822986 | Method of detecting and reading postal bar codes | Rodney K. Guthmueller | 1989-04-18 |