About Proficiency Testing Service Inc
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PTS PROFICIENCY TESTING SERVICE by Proficiency Testing Service, Inc. (Track this)
Intl: (042) Computer, scientific & legal; (044) Medical, beauty & agricultural US: 100; 101; 100; 101 Filing date: 20-Feb-2017 Serial number: 87342678
DIGITALSCOPE by Proficiency Testing Service, Inc. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 14-Sep-2011 Serial number: 85422679
DIGITALSCOPE by PROFICIENCY TESTING SERVICE, INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 06-Dec-2010 Serial number: 85191068