Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358734 | Methods and apparatuses for detecting the speed of an asynchronous motor | Bo A. Elfner | 1982-11-09 |
| 4311438 | Method and apparatus for controlling the start of an intermittently operating pump | — | 1982-01-19 |