Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D648087 | Vacuum cleaner assembly | Eric Y. Park, Michael Keith Lemmon, David Randall Knaub, Pierre Harper, Felix Ballerstedt +1 more | 2011-11-01 |
| D644802 | Vacuum cleaner foot | Eric Y. Park, Michael Keith Lemmon, David Randall Knaub, Pierre Harper, Felix Ballerstedt +1 more | 2011-09-06 |