Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718458 | Automated pressure equalization above and below completion plug of gate valve cartridge or a completion plug of a line stop fitting | Andrew J. Nelson, Christopher C. Vazzana, Carl Mastny | 2020-07-21 |