Patent US 4816994A
| Patent number | US 4816994A (click link for details and documents via Google Patents) |
|---|---|
| Title | Rule acquisition for expert systems |
| Inventors | Michael J. Freiling, James H. Alexander, Brian Phillips, Steven L. Messick |
| Company | Tektronix Inc |
| Filing date | 1984-12-04 |
| Grant date | 1989-03-28 |