Inventor
BARBECK CRAIG J
US9 patents
Patents
9 patentsUS7146681B2Dec 12, 2006
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG83 citations99
US7131165B2Nov 7, 2006
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG81 citations99
US6848146B2Feb 1, 2005
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG151 citations99
US6463622B2Oct 15, 2002
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG120 citations99
US6260234B1Jul 17, 2001
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG187 citations99
US6745432B2Jun 8, 2004
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG62 citations96
US7134166B2Nov 14, 2006
Upright vacuum cleaner with cyclonic airflow
ROYAL APPLIANCE MFG3 citations74
USD480849SOct 14, 2003
Grill construction for vacuum cleaner
ROYAL APPLIANCE MFG3 citations63
USD480851SOct 14, 2003
Front handle for vacuum cleaner
ROYAL APPLIANCE MFG1 citations52