Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901575 | Methods and apparatus for monitoring structural members subject to transient loads | William L. Bohannan, John K. Pfister | 1990-02-20 |
| 4433937 | Method of tunnel construction employing submerged caisson | — | 1984-02-28 |