Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706319 | Lightweight bridge structure | Eugene W. Sivachenko | 1987-11-17 |
| 4317350 | Corrugated plate having variable material thickness and method for making same | Eugene W. Sivachenko | 1982-03-02 |
| 4275663 | Corrugated vehicle underframe | Eugene W. Sivachenko | 1981-06-30 |
| 4241146 | Corrugated plate having variable material thickness and method for making same | Eugene W. Sivachenko | 1980-12-23 |