Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141183 | Apparatus and method for determining one or more operating characteristics of a rail-mounted vehicle | Joseph L. Neidinger | 1992-08-25 |
| 4965847 | Method and apparatus for detecting deviation of motor speed from frequency of power supply | David C. Wycoff | 1990-10-23 |
| 4773807 | High-speed automatic storage and retrieval system and apparatus therefor | Charles R. Kroll, John Briggs, Eric C. Blom | 1988-09-27 |
| 4568233 | Storage and retrieval apparatus | Dale A. Baker | 1986-02-04 |