Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972195 | Interferometric lightning ranging system | Ralph J. Markson, Arthur Uhlir, Jr. | 1990-11-20 |
| 4801942 | Interferometeric lightning ranging system | Ralph J. Markson, Arthur Uhlir, Jr. | 1989-01-31 |