Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907312 | Bridge and method of installing prefabricated bridges and bridge structure | Philip Y. Chow | 1990-03-13 |
| 4837885 | Prestressed stay cable for use in cable-stayed bridges | — | 1989-06-13 |