Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4388644 | Apparatus for monitoring a multichannel receiver | Neal H. Ishman, Duane A. Durst, James F. McArthur, Michael Eric Johnson | 1983-06-14 |
| 4216497 | Apparatus for monitoring a multichannel receiver | Neal H. Ishman, Duane A. Durst, James F. McArthur, Michael Eric Johnson | 1980-08-05 |