Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038817 | Narrow accessway liquid sewage pump remotely operable multi-part quick connect/disconnect slide coupling | Clark A. Henry, Eric F. Cabahug, Richard C. Grace | 1991-08-13 |
| 4822213 | Narrow accessway sewage collection tank assembly, remote operated quick connect-disconnect coupling and system using the same | Richard C. Grace, Eric F. Cabahug | 1989-04-18 |