Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313396 | Method of operation of a navigational calculator | Donald R. Sellars, William King, Karel R. Hajda | 1994-05-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313396 | Method of operation of a navigational calculator | Donald R. Sellars, William King, Karel R. Hajda | 1994-05-17 |