Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872397 | Personal environmental module | Michael Demeter, Paul E. Wichman, Linda S. Endres | 1989-10-10 |
| 4835573 | Machine control system utilizing paper parameter measurements | Roger D. Shepherd | 1989-05-30 |