Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794895 | Sealing arrangement for a rotary slide valve | — | 1989-01-03 |
HK
Hermann Kruger
Overall (1989): #106,633 of 140,708Top 80%
1
Patents 1989