Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7240394 | Cleaning machine for cleaning a surface | Steven Kegg, Craig M. O'Briskie, Donald A. Coates | 2007-07-10 |
| 5681363 | Vacuum cleaner filter shaker | Lynn A. Frederick, Jeffrey S. Louis | 1997-10-28 |