Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876444 | Protection from extraneous light for light guided vehicle | — | 1989-10-24 |
| 4846297 | Automated guided vehicle | Joseph G. Kasper | 1989-07-11 |
| 4825500 | Speed and steering control for a floor maintenance machine | Michael T. Basham, Robert M. Berdahl | 1989-05-02 |