Inventor
VIRTANEN RISTO
FI15 patents
⚠️ This page may combine multiple inventors who share the name “VIRTANEN RISTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASTRA AB
8 patentsUS6484717B1Nov 26, 2002
Inhalation device
ASTRA AB110 citations97
US6446626B1Sep 10, 2002
Inhalation device
ASTRA AB71 citations96
US6095136AAug 1, 2000
Inhalation device
ASTRA AB60 citations96
USD441446SMay 1, 2001
Dry powder inhaler with cover
ASTRA AB58 citations95
US6142145ANov 7, 2000
Inhalation device
ASTRA AB74 citations95
USD417912SDec 21, 1999
Dry powder inhaler with cover
ASTRA AB55 citations95
USD417732SDec 14, 1999
Dry powder inhaler with cover
ASTRA AB63 citations94
US6328032B1Dec 11, 2001
Inhalation device
ASTRA AB13 citations73