Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6269252 | Programmable bridging apparatus to connect multiple networks of different protocols | Lee Silverthorn, Curtis Lee Cornils | 2001-07-31 |
| 5842377 | Mixer gearbox assembly having a cross-shaft alternatively mounted in one or two bearings and configured to receive different drive motors | Stephen L. Markle, David Engel, Joel S. Berg, Marlin D. Schutte | 1998-12-01 |
| 5720486 | Self-formed labyrinth seal | Stephen L. Markle, David Engel, Joel S. Berg | 1998-02-24 |