Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149390 | Prefabricated, prestressed bridge module | — | 2021-10-19 |
| 11091888 | Tub girders and related manufacturing methods | — | 2021-08-17 |
| 10895047 | Prefabricated, prestressed bridge module | — | 2021-01-19 |
| 10718094 | Tub girders and related manufacturing methods | — | 2020-07-21 |
| 10161099 | Geosynthetic connection systems and methods for mechanically stablized earth walls | Robert Edward May | 2018-12-25 |
| 9103089 | Loop and saddle connection system and method for mechanically stablized earth wall | John M. Ogorchock | 2015-08-11 |
| 8840341 | Connection system and method for mechanically stabilized earth wall | John M. Ogorchock, Peter M. Sevick | 2014-09-23 |
| 7600283 | Prefabricated, prestressed bridge system and method of making same | — | 2009-10-13 |