Patent US 4816994A
Patent number | US 4816994A (click link for details and documents via Google Patents) |
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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 |