Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709369 | Self-aligning valve disc assembly | James C. Hawkins, Daniel G. Roper, David E. Woollums, David B. Davis, Justin Wade Hart | 1998-01-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709369 | Self-aligning valve disc assembly | James C. Hawkins, Daniel G. Roper, David E. Woollums, David B. Davis, Justin Wade Hart | 1998-01-20 |