ECONO-COLUMN by BIO-RAD LABORATORIES, INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 026 Filing date: 24-Apr-1981 Serial number: 73307328
COLUMN WRITE by ACCO BRANDS CORPORATION (Track this)
Intl: (016) Paper goods and printed matter US: 037 Filing date: 30-Jun-1961 Serial number: 72123250