Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824140 | Manway cover gasket | James E. B. Frew, Robert Adam Riggs | 2004-11-30 |
| 6682081 | Reduced area gaskets | Brian Douglas Burton, James E. B. Frew | 2004-01-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824140 | Manway cover gasket | James E. B. Frew, Robert Adam Riggs | 2004-11-30 |
| 6682081 | Reduced area gaskets | Brian Douglas Burton, James E. B. Frew | 2004-01-27 |