Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9322163 | Flexible expansion joint seal | — | 2016-04-26 |
| 9200437 | Precompressed foam expansion joint system transition | Bill Witherspoon | 2015-12-01 |
| 9068297 | Expansion joint system | William Witherspoon | 2015-06-30 |
| 8870506 | Movement-compensating plate anchor | William Witherspoon | 2014-10-28 |
| 8813450 | Fire and water resistant expansion and seismic joint system | Bill Witherspoon | 2014-08-26 |
| 8813449 | Fire and water resistant expansion and seismic joint system | Bill Witherspoon | 2014-08-26 |
| 8341908 | Fire and water resistant expansion and seismic joint system | Bill Witherspoon | 2013-01-01 |
| 8317444 | Movement-compensating plate anchor | — | 2012-11-27 |