Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888599 | Real time apparatus for adjusting contrast ratio of liquid crystal displays | Lyle R. Strathman | 1989-12-19 |
| 4811003 | Alternating parallelogram display elements | Lyle R. Strathman | 1989-03-07 |