Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622290 | Water-tight flow controller for a ship | — | 1997-04-22 |
| 5049021 | Self-unloading method and apparatus for ships | Daniel Baker | 1991-09-17 |
| 5030363 | Oil retriever with interchangeable collection tanks and method of use therefor | — | 1991-07-09 |
| 4706854 | Particulate material handling | — | 1987-11-17 |
| 4652199 | Dust canopy | — | 1987-03-24 |
| 4574989 | Swing gates | — | 1986-03-11 |
| 4502590 | Conveyor apparatus | — | 1985-03-05 |
| 4326476 | Navigation in ice covered waterways | — | 1982-04-27 |