Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838162 | System for printing both sides of envelopes | Eddie D. Poole, William A. Borst | 1989-06-13 |
| 4809482 | Packaging system | William A. Borst, Herman M. Respess, Michael P. Langlois, Eddie D. Poole, J. E. Swaim | 1989-03-07 |