Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886147 | Brake arrangement | Roland Martin, Guenter Aydt | 1989-12-12 |
| 4799575 | Hydraulically controlled disk brake with serial fluid flow | — | 1989-01-24 |
WK
Wilhelm Kroniger
Overall (1989): #13,083 of 140,708Top 10%
2
Patents 1989