HELLIGE
Filed: February 17, 1949
COLORIMETERS, COLORIMETRIC COMPARATORS, DEPTH REDUCTION RODS, TEST KITS FOR DETERMINING PH, ELECTRODE PH METERS, TURBIDIMETERS…
Owned by: HELLIGE, INC.
Serial Number: 71574033
VOLUME CONTROL VC
Filed: August 19, 1950
LABORATORY APPARATUS NAMELY, PIPETTES USED FOR BLOOD TESTING
Owned by: HELLIGE, INC.
Serial Number: 71602451
H
Filed: September 7, 1950
LABORATORY APPARATUS-NAMELY, COLORIMETERS, COLORIMETRIC COMPARATORS, DEPTH REDUCTION RODS, TEST KITS FOR DETERMINING PH,…
Owned by: HELLIGE, INC.
Serial Number: 71603240
CHROMATRON
Filed: May 17, 1951
PHOTOELECTRIC COLORIMETER [ AND DENSITY COMPARISON ] AND MEASURING INSTRUMENT FOR ASCERTAINING COLOR OR OPTICAL DENSITY…
Owned by: HELLIGE, INC.
Serial Number: 71613989
CLINICOL
Filed: May 17, 1951
PHOTOELECTRIC COLOR AND DENSITY MEASURING INSTRUMENT FOR CLINICAL USE IN ASCERTAINING COLOR OR OPTICAL DENSITY OF LIQUIDS…
Owned by: HELLIGE, INC.
Serial Number: 71613990
CHECKER
Filed: March 15, 1974
MICROSCOPE COVER GLASSES AND GLASS SLIDES
Owned by: HELLIGE, INC.
Serial Number: 73016079
