Inventor
DI NUNZIO DAVID
US14 patents
⚠️ This page may combine multiple inventors who share the name “DI NUNZIO DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROYAL APPLIANCE MFG
8 patentsUS6497001B2Dec 24, 2002
Hand-held vacuum cleaner with a detachable head
ROYAL APPLIANCE MFG82 citations98
USD453245SJan 29, 2002
Dust cup for a vacuum cleaner
ROYAL APPLIANCE MFG14 citations84
US6467123B1Oct 22, 2002
Airflow indicator
ROYAL APPLIANCE MFG17 citations81
USD456963SMay 7, 2002
Dust cup for hand-held vacuum cleaner
ROYAL APPLIANCE MFG8 citations74
USD453868SFeb 19, 2002
Base of hand-held vacuum cleaner
ROYAL APPLIANCE MFG6 citations74
USD453244SJan 29, 2002
Canister vacuum cleaner
ROYAL APPLIANCE MFG8 citations74
USD456102SApr 23, 2002
Head of hand-held vacuum cleaner
ROYAL APPLIANCE MFG5 citations63
US6510585B2Jan 28, 2003
Turbo tool
ROYAL APPLIANCE MFG6 citations60