Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864119 | Bulk avalanche semiconductor switch using a mesa structure | Larry Ragle, Stephen J. Davis | 1989-09-05 |
| 4818133 | High speed wire matrix print head | James T. Busse | 1989-04-04 |