Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D781466 | Joint seal | G. Matthew Fisher, David R. Gebhardt | 2017-03-14 |
| 9494235 | Hollow, elastic expansion-joint seal | G. Matthew Fisher, David R. Gebhardt | 2016-11-15 |
| D739564 | Joint seal | G. Matthew Fisher, David R. Gebhardt | 2015-09-22 |