Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967563 | Quick release for a vacuum cleaner powerhead | Marvin Lewis, Laurie G. Wilford | 1999-10-19 |
| 5685044 | Quick release for a vacuum cleaner powerhead | Marvin Lewis, Laurie G. Wilford | 1997-11-11 |