Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398225 | Seal for a rotary valve for high temperature and high pressure fluids | Richard W. Hanson | 2002-06-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398225 | Seal for a rotary valve for high temperature and high pressure fluids | Richard W. Hanson | 2002-06-04 |