Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5417487 | Presence detector | — | 1995-05-23 |
| D331388 | Electrical control panel for mobile storage units | Marvin L. Runge | 1992-12-01 |
| 5121975 | Fail-safe photoelectric detector | — | 1992-06-16 |
| 5050941 | Switch assembly and mobile storage unit using the assembly | Marvin L. Runge | 1991-09-24 |
| 5044703 | Limit switch assembly for mobile storage apparatus | — | 1991-09-03 |
| 5005923 | Limit switch assembly for mobile storage apparatus | — | 1991-04-09 |
| 4975804 | Electrical control module for mobile storage apparatus | Marvin L. Runge | 1990-12-04 |
| 4947161 | Light bar | — | 1990-08-07 |
| 4900284 | Method of providing a light bar for storage apparatus | — | 1990-02-13 |
| 4810044 | Light bar | — | 1989-03-07 |
| 4759592 | Movable storage unit control system with system resetting watchdog circuit | — | 1988-07-26 |
| 4743078 | Movable storage unit control system | — | 1988-05-10 |
| 4733923 | Movable storage unit control system | — | 1988-03-29 |
| 4650264 | Control system for vertical storage equipment | — | 1987-03-17 |
| 4557534 | Mobile storage systems with leash control | — | 1985-12-10 |
| 4437711 | Movable storage unit controls | — | 1984-03-20 |