Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675724 | Knowledge based resource management | David G. Beal, Jo Etta Hill, Fletcher L. Hill, Michael R. Stephens | 1997-10-07 |
| 5568491 | Knowledge based resource management | David G. Beal, Joetta S. Chikira, Fletcher L. Hill, Michael R. Stephens | 1996-10-22 |
| 5404503 | Hierarchical distributed knowledge based machine inititated maintenance system | Fletcher L. Hill, Douglas A. Holm, Gregory A. Pinkham | 1995-04-04 |
| 5394543 | Knowledge based machine initiated maintenance system | Fletcher L. Hill, David G. Beal | 1995-02-28 |
| 5386551 | Deferred resource recovery | Joetta S. Chikira, Fletcher L. Hill | 1995-01-31 |
| 5293556 | Knowledge based field replaceable unit management | Fletcher L. Hill, Douglas A. Holm, Gregory A. Pinkham | 1994-03-08 |