Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864235 | Phase-selective monitoring via vector transformation | — | 1989-09-05 |
| 4853634 | Device for crack detection on hot cast billets and suppressing the effects of magnetic regions | — | 1989-08-01 |
| 4851774 | Suppression of the effect of harmless surface defects in eddy current testing by sensitivity characteristic compensation | — | 1989-07-25 |
| 4837510 | Device for suppression and/or separation of signals due to magnetic oxide scales in hot cast billets | — | 1989-06-06 |
| 4819181 | Performance increasing signal processing device | — | 1989-04-04 |
| 4816760 | Method and apparatus for detecting the position of an edge of a test piece | Lennart Svegander | 1989-03-28 |