Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615448 | Convertible upright carpet extractor | Darwin S. Crouser, Gregg A. McAllise, Fred S. Sindlinger | 1997-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615448 | Convertible upright carpet extractor | Darwin S. Crouser, Gregg A. McAllise, Fred S. Sindlinger | 1997-04-01 |