Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655325 | Method and apparatus for controlling elevators with double cars | Joris Schroder, Jiri Kiml | 1987-04-07 |
| 4654657 | Circuit arrangement containing wire matrix for signal transmission in elevator installations | — | 1987-03-31 |
| 4643311 | Stackable long-term storage container, preferably for radioactive waste | Gunter Hohlein, Wilhelm Hempelmann, Gunter Waldenmeier, Rainer Koster, Ulrich Pfeifer | 1987-02-17 |
| 4507621 | Generating quasi-random sequences in AMI code | — | 1985-03-26 |
| 4488220 | Circuit arrangement for inputting control signals into a microcomputer system | Paul Friedli | 1984-12-11 |
| 4403330 | Regenerative repeater for multi-stage digital signals | — | 1983-09-06 |
| 4214235 | Digital to analog converter using multiple emitter transistors | — | 1980-07-22 |
| 4191277 | Apparatus for transmitting control signals to elevators or the like | Josef Heine, Ladislav Vig | 1980-03-04 |