Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047294 | Dual flapper safety valve | James Dan Vick, Jr., James M. Williams | 2011-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047294 | Dual flapper safety valve | James Dan Vick, Jr., James M. Williams | 2011-11-01 |