Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263223 | Apparatus for cleaning interior surfaces | Paul S. Fiegel, Mark A. Pleshek, Quenten H. Rench | 1993-11-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263223 | Apparatus for cleaning interior surfaces | Paul S. Fiegel, Mark A. Pleshek, Quenten H. Rench | 1993-11-23 |