Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799820 | Road-building machine | Bruno Fedrizzi | 1989-01-24 |
| 4798495 | Apparatus for insertion of reinforcement rods in a concrete road surface | Paul Rapp | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799820 | Road-building machine | Bruno Fedrizzi | 1989-01-24 |
| 4798495 | Apparatus for insertion of reinforcement rods in a concrete road surface | Paul Rapp | 1989-01-17 |