SIGMA by MERCK KGAA (Track this)
Intl: (001) Chemicals US: 006 Filing date: 29-Mar-1957 Serial number: 72027240
SIGMA by MERCK KGAA (Track this)
Intl: (005) Pharmaceuticals US: 018 Filing date: 29-Mar-1957 Serial number: 72027241
SIGMA PHI by SIGMA PHI SOCIETY (Track this)
Intl: (042) Computer, scientific & legal US: 100 Filing date: 20-May-1954 Serial number: 71666790
BETA SIGMA PHI by WALTER W. ROSS AND COMPANY, INC. (Track this)
Intl: (042) Computer, scientific & legal US: 100 Filing date: 30-Oct-1950 Serial number: 71605614
SIGMA PHI EPSILON by SIGMA PHI EPSILON FRATERNITY (Track this)
Intl: (042) Computer, scientific & legal US: 100 Filing date: 24-May-1950 Serial number: 71598044
SIGMA CHI FRATERNITY 1855 by MAXWELL INC. (Track this)
Intl: (042) Computer, scientific & legal US: 100 Filing date: 28-Apr-1950 Serial number: 71596529