Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913749 | Process for case-hardening rolling bearing elements of low-alloy nickeliferous steel | Frank Hengerer, Ulf Sjoblom, Roger Bjorn | 1990-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913749 | Process for case-hardening rolling bearing elements of low-alloy nickeliferous steel | Frank Hengerer, Ulf Sjoblom, Roger Bjorn | 1990-04-03 |