Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883538 | Colored thermal joint compound | William M. Robertson, Edward J. Burke | 1989-11-28 |
| 4723123 | Radar system | John Logan Nelson | 1988-02-02 |
| 4698636 | Ground speed determining radar system | John Logan Nelson | 1987-10-06 |