Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822994 | Small arms sight for use during daylight and nighttime conditions | Francis J. Augustine | 1989-04-18 |
| 4799216 | Distributed switching system | Jeffrey L. Box, David B. Hildebrand | 1989-01-17 |