Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8448280 | Method of providing a parapet wall on a bridge | Paul M. Aumuller, Thomas Koester | 2013-05-28 |
| 8234738 | Bridge construction and method of replacing bridges | Paul M. Aumuller, Thomas Koester | 2012-08-07 |