Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595722 | Composite concrete metal encased stiffeners for metal plate arch-type structures | — | 2003-07-22 |
| 6050746 | Underground reinforced soil/metal structures | Michael W. N. Wilson | 2000-04-18 |
| 5833394 | Composite concrete metal encased stiffeners for metal plate arch-type structures | — | 1998-11-10 |
| 5375943 | Short radius culvert sections | Jean-Louis Major | 1994-12-27 |
| 5326191 | Reinforced metal box culvert | Michael W. N. Wilson | 1994-07-05 |
| 4700511 | Pressure relief wall assembly | Joseph M. Minialoff, Leonard E. Blendick | 1987-10-20 |
| 4597229 | Pressure relief wall assembly | Joseph M. Minialoff, Gerrard O. Minialoff | 1986-07-01 |