Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839802 | Adaptation of computer to communication operation | Daniel C. Wonak, Steven J. Butz | 1989-06-13 |
| 4813785 | Mixing structure for paint colorant in a dispensing apparatus | — | 1989-03-21 |