Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7069614 | Modular span multi-cell box girder bridge system | Jiri Strasky | 2006-07-04 |
| 4706319 | Lightweight bridge structure | Firoze H. Broacha | 1987-11-17 |
| 4442650 | Girder construction | — | 1984-04-17 |
| 4434638 | Method and apparatus for severing corrugated metal products | — | 1984-03-06 |
| 4346576 | Apparatus for severing corrugated metal products | — | 1982-08-31 |
| 4317350 | Corrugated plate having variable material thickness and method for making same | Firoze H. Broacha | 1982-03-02 |
| 4291510 | Prefabricated building construction | — | 1981-09-29 |
| 4275663 | Corrugated vehicle underframe | Firoze H. Broacha | 1981-06-30 |
| 4269055 | Large profile sheet metal corrugator | Artemas M. Larkin, Bogdan W. Bernert | 1981-05-26 |
| 4241146 | Corrugated plate having variable material thickness and method for making same | Firoze H. Broacha | 1980-12-23 |
| 4220423 | High strength corrugated metal plate and method of fabricating same | — | 1980-09-02 |
| 4211504 | High strength corrugated metal plate and method of fabricating same | — | 1980-07-08 |
| 4186541 | High strength corrugated metal plate and method of fabricating same | — | 1980-02-05 |