Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852467 | Spool valve for concrete pumps | — | 1989-08-01 |
| 4799573 | Adjustable personnel platform | Andrej Simnovec, Bernhard Meinken | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852467 | Spool valve for concrete pumps | — | 1989-08-01 |
| 4799573 | Adjustable personnel platform | Andrej Simnovec, Bernhard Meinken | 1989-01-24 |