Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10895042 | Concrete crosstie | — | 2021-01-19 |
| 9890503 | High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways | — | 2018-02-13 |
| 9238891 | High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways | — | 2016-01-19 |