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Shanghai, CN
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Patents Grants
last 30 patents
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Patent Grant
Room air purifier with RFID reader
Patent number
11,168,907
Issue date
Nov 9, 2021
3M Innovative Properties Company
Andrew R. Fox
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Room air purifier with RFID reader
Patent number
10,955,150
Issue date
Mar 23, 2021
SM Innovative Properties Company
Andrew R. Fox
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
ROOM AIR PURIFIER WITH RFID READER
Publication number
20210164674
Publication date
Jun 3, 2021
3M Innovative Properties Company
ANDREW R. FOX
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Room Air Purifier with RFID Reader
Publication number
20190107302
Publication date
Apr 11, 2019
3M Innovative Properties Company
Deng Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE