Inventor
O'GRADY RICHARD M
40 patents
⚠️ This page may combine multiple inventors who share the name “O'GRADY RICHARD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DURACRAFT CORP
16 patentsUSD386576SNov 18, 1997
Humidifier
DURACRAFT CORP123 citations98
USD355962SFeb 28, 1995
Air cleaner
DURACRAFT CORP55 citations96
USD330074SOct 6, 1992
Portable electrical humidifier
DURACRAFT CORP48 citations96
USD388162SDec 23, 1997
Humidifier
DURACRAFT CORP20 citations93
USD359552SJun 20, 1995
Humidifier
DURACRAFT CORP20 citations93
USD357310SApr 11, 1995
Humidifier
DURACRAFT CORP27 citations93
USD349566SAug 9, 1994
Air purifier
DURACRAFT CORP29 citations93
USD347683SJun 7, 1994
Portable electrical heater
DURACRAFT CORP21 citations93
USD345011SMar 8, 1994
Expandable window fan
DURACRAFT CORP21 citations93
USD335341SMay 4, 1993
Portable vaporizer
DURACRAFT CORP21 citations93
USD349334SAug 2, 1994
Evaporative humidifier
DURACRAFT CORP25 citations92
USD336511SJun 15, 1993
Portable humidifier
DURACRAFT CORP20 citations82
USD355248SFeb 7, 1995
Portable vaporizer
DURACRAFT CORP8 citations74
USD348728SJul 12, 1994
Shell for an evaporative humidifier
DURACRAFT CORP12 citations73
USD394702SMay 26, 1998
Humidifier
DURACRAFT CORP5 citations62
USD386575SNov 18, 1997
Humidifier
DURACRAFT CORP5 citations62