Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888818 | Method and apparatus for the determination of the setting process in an inorganic aqueous binder system | Dietmar Bege | 1989-12-19 |
| 4844255 | Cooling water pump seal | — | 1989-07-04 |