Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912751 | Expansion joint system for accommodation of large movement in multiple directions | Debra Steiger, David Kent Fugard, Charles Haas, Wayne Walter | 2005-07-05 |
| 5491937 | Earthquake isolation bearing | Ronald J. Watson | 1996-02-20 |