Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556564 | Structure for railroad ties having data acquisition, processing and transmission means | John D. Eisenhut | 2017-01-31 |
| 8727228 | Structure for railroad ties having data acquisition, processing and transmission means | John D. Eisenhut | 2014-05-20 |
| 8728376 | Restoring and recycling railroad ties | John D. Eisenhut | 2014-05-20 |
| 8632644 | Bamboo composite timbers | John D. Eisenhut | 2014-01-21 |