Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362416 | Extension joint for concrete poles | — | 1982-12-07 |
| 4362417 | Extension joint for concrete piles | Markku Vesa | 1982-12-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362416 | Extension joint for concrete poles | — | 1982-12-07 |
| 4362417 | Extension joint for concrete piles | Markku Vesa | 1982-12-07 |