Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852544 | Self-cleaning oven temperature control with multiple redundant oven temperature sensing elements | Ronald W. Holling | 1989-08-01 |
| 4841232 | Method and apparatus for testing three state drivers | Patricia Graham | 1989-06-20 |