Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D646860 | Vacuum cleaner | Robert L. Crevling, Jr., John Griffin | 2011-10-11 |
| 8015661 | Vacuum with rechargeable battery | Mark E. Baer, Jonathan Miller | 2011-09-13 |
| D636954 | Vacuum cleaner | Robert L. Crevling, Jr., John Griffin | 2011-04-26 |