| 4932256 |
Heat transmission measuring instrument, in particular flow monitor |
Robert Buck |
1990-06-12 |
| 4856329 |
Heat transfer measurement device, in particular flow monitor |
Robert Buck |
1989-08-15 |
| 4748740 |
Automatic component mounting machine |
Robert Buck |
1988-06-07 |
| 4663542 |
Electronic proximity sensor |
Robert Buck |
1987-05-05 |
| 4543566 |
Electronic monitoring system with malfunction indicator |
Robert Buck, Hans-Dieter Gesthuysen |
1985-09-24 |
| 4525699 |
Electronic monitoring system with malfunction indicator |
Robert Buck, Michael Friedrich, Hans-Dieter Gesthuysen |
1985-06-25 |
| 4424458 |
Contactless proximity sensor with multilevel response |
Robert Buck |
1984-01-03 |
| 4225748 |
Switching device, especially for electronic contactless switches, e.g. proximity switches |
Robert Buck |
1980-09-30 |
| 4193023 |
Electronic monitoring system with low energy consumption in quiescent state |
Robert Buck |
1980-03-11 |