Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593470 | Portable filtration unit | Gary E. Kruse, Blair Lawrence Harber, Daniel N. Sutherland, Terrell F. Travis | 1997-01-14 |
| 5588985 | Methods of using a portable filtration unit | Gary E. Kruse, Blair Lawrence Harber, Daniel N. Sutherland, Terrell F. Travis | 1996-12-31 |
| 5433763 | Portable filtration unit | Gary E. Kruse, Daniel N. Sutherland, Blair Lawrence Harber, Henry Koudys | 1995-07-18 |
| 5230723 | Portable filtration unit | Terrell F. Travis, Gary E. Kruse, Daniel N. Sutherland, Blair Lawrence Harber | 1993-07-27 |
| 5069691 | Portable filtration unit | Terrell F. Travis, Gary E. Kruse, Daniel N. Sutherland, Blair Lawrence Harber | 1991-12-03 |