Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238243 | Motorized towable sweeping apparatus and related method | Daniel Lavely, David W. Franklin | 2007-07-03 |
| 6735814 | Apparatus for cleaning hard-to-reach areas | David W. Franklin | 2004-05-18 |