Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777841 | Trunnion ball valve seat with V-section spring | Steven Burrows | 2017-10-03 |
| 9657848 | Trunnion ball valve with interchangeable and replaceable seat insert | Steven Burrows | 2017-05-23 |