Inventor

BARBECK CRAIG

US2 patents

Patents

2 patents

US6836930B2Jan 4, 2005

Airflow indicator

ROYAL APPLIANCE MFG11 citations71

US6571425B2Jun 3, 2003

Method of linkage and locking of connecting coupling member to nozzle base of a vacuum cleaner

ROYAL APPLIANCE MFG4 citations54