Issued Patents 2011
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074321 | Dual-tank vacuum cleaner | Kevin D. Fry | 2011-12-13 |
| D646860 | Vacuum cleaner | Li H. Liu, John Griffin | 2011-10-11 |
| D646033 | Vacuum cleaner | Kevin D. Fry, John Griffin | 2011-09-27 |
| D644801 | Vacuum cleaner | Jason Gottschall, John Griffin | 2011-09-06 |
| D644800 | Vacuum cleaner | Craig A. Seasholtz, John Griffin | 2011-09-06 |
| D640849 | Vacuum cleaner | Jason Gottschall, John Griffin | 2011-06-28 |
| D640024 | Vacuum cleaner | Jason Gottschall, Craig A. Seasholtz, John Griffin | 2011-06-14 |
| D638181 | Cleaning tool | Kevin D. Fry, John Griffin | 2011-05-17 |
| D638180 | Vacuum cleaner | John Griffin, Kevin D. Fry | 2011-05-17 |
| D637778 | Vacuum cleaner | Kevin D. Fry, John Griffin | 2011-05-10 |
| D636954 | Vacuum cleaner | Li H. Liu, John Griffin | 2011-04-26 |
| D634084 | Vacuum cleaner | John Griffin, Craig A. Seasholtz | 2011-03-08 |
| D633668 | Vacuum cleaner | John Griffin | 2011-03-01 |
| D632444 | Vacuum cleaner | John Griffin, Jason Gottschall | 2011-02-08 |
| D631627 | Vacuum cleaner | Kevin D. Fry, John Griffin | 2011-01-25 |
| D631216 | Vacuum cleaner | Kevin D. Fry, John Griffin | 2011-01-18 |