Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792373 | Backwash filter system | Michael E. Isch, David Lee Truman, Robert Wegner | 1998-08-11 |
| 5785870 | Variable flow filter unit | Scott J. Davis, Michael E. Isch | 1998-07-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792373 | Backwash filter system | Michael E. Isch, David Lee Truman, Robert Wegner | 1998-08-11 |
| 5785870 | Variable flow filter unit | Scott J. Davis, Michael E. Isch | 1998-07-28 |