Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689558 | Non-destructive method of measuring the fatigue limit of ferromagnetic materials by use of the mechanical Barkhauser phenomenon | Pekka Ruuskanen | 1987-08-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689558 | Non-destructive method of measuring the fatigue limit of ferromagnetic materials by use of the mechanical Barkhauser phenomenon | Pekka Ruuskanen | 1987-08-25 |