TEXTSURFER by STAEDTLER SE (Track this)
Intl: (016) Paper goods and printed matter US: 002; 005; 022; 023; 029; 037; 038; 050 Filing date: 15-Dec-1998 Serial number: 75605833
TEXTSENSE by QUESTAR ASSESSMENT, INC. (Track this)
Intl: (016) Paper goods and printed matter US: 002; 005; 022; 023; 029; 037; 038; 050 Filing date: 23-Jun-1997 Serial number: 75979821