Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7430340 | Geographic information data base engine | Paul M. Glass, Du Chen, Susan M. Kight, Jeffrey Buske | 2008-09-30 |
| 5280880 | Unitary hoist drum for hoist ropes and an electric cable | David Ewing | 1994-01-25 |