Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4940606 | Method of increasing the lubricant retention of magnetic disks | Heinz Hilgers, Johannes Windeln | 1990-07-10 | $16,701,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4940606 | Method of increasing the lubricant retention of magnetic disks | Heinz Hilgers, Johannes Windeln | 1990-07-10 | $16,701,000 |