VQSF by WU, YU QIN (Track this)
Intl: (025) Clothing US: 022; 039 Filing date: 16-Mar-2021 Serial number: 90581927
SNNAQSFR by Zhang, Ligui (Track this)
Intl: (021) Housewares and glass US: 002; 013; 023; 029; 030; 033; 040; 050 Filing date: 22-Jan-2021 Serial number: 90483327
QSFPTEK by Kuanyu,Zhu (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 24-Apr-2018 Serial number: 87889865
QSFS by Qumulo, Inc (Track this)
Intl: (042) Computer, scientific & legal US: 100; 101 Filing date: 10-Aug-2016 Serial number: 87133736
QSFD by INOVALON, INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 05-Apr-2011 Serial number: 85286890