1980-06-11 to 1981-04-02
COSYNS & SPAIN CHROMATOGRAPHY INC.
1981-04-02 to 1981-07-30
CHROMATOGRAPHIE COSYNS & SPAIN INC.
1981-04-02 to 1981-07-30
COSYNS & SPAIN CHROMATOGRAPHY INC.
1981-07-30 to Present
CHROMATOGRAPHY SCIENCES COMPANY C.S.C. INC.
1981-07-30 to Present
COMPAGNIE DES SCIENCES CHROMATOGRAPHIQUES C.S.C. INC.