Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944459 | Manway lid gasket | Stephen E. Benet, Thomas P. Lokey, Daniel Ferris Matthews REID, Alfred F. Waterland, III | 2018-04-17 |
| 6824140 | Manway cover gasket | Robert Adam Riggs, Alfred F. Waterland, III | 2004-11-30 |
| 6682081 | Reduced area gaskets | Brian Douglas Burton, Alfred F. Waterland, III | 2004-01-27 |
| 5704392 | Apparatus for cycling motor-operated valves | — | 1998-01-06 |