Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686392 | Scupper valve | Tiffany Alongi, Gregory William Brown | 2023-06-27 |
| 10808857 | Multifunctional restrictive valve | John Lockhart, Jeffrey S. Doss | 2020-10-20 |
| 9927042 | Multifunctional restrictive valve | John Lockhart, Jeffrey S. Doss | 2018-03-27 |
| 9611629 | Multifunctional restrictive valve | John Lockhart, Jeffrey S. Doss | 2017-04-04 |
| 9309655 | Multifunctional restrictive valve | John Lockhart, Jeffrey S. Doss | 2016-04-12 |
| 8434693 | Multifunctional restrictive valve | John Lockhart, Jeffrey S. Doss | 2013-05-07 |
| 7878417 | Multifunctional restrictive valve | John Lockhart, Jeff Doss | 2011-02-01 |