Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824140 | Manway cover gasket | James E. B. Frew, Alfred F. Waterland, III | 2004-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824140 | Manway cover gasket | James E. B. Frew, Alfred F. Waterland, III | 2004-11-30 |