Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231093 | Method of returning to a last point in a path after a temporary discontinuance of an operation | Allan A. Beale | 1980-10-28 |
| D255880 | Course error and distance indicator or similar article | Allan A. Beale | 1980-07-15 |