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
SELLSTROM
Filed: May 17, 1951
INDUSTRIAL AND SPORTING GOGGLES, SPECTACLES, WELDERS' HELMETS, EYE, NOSE, AND FACE SHIELDS AND PARTS THEREOF, AND LENSES…
Owned by: SELLSTROM MANUFACTURING COMPANY
Serial Number: 71618254
SELLSTROM SAFEGUARDS
Filed: May 17, 1951
INDUSTRIAL AND SPORTING GOGGLES, SPECTACLES, WELDERS' HELMETS, EYE, NOSE AND FACE SHIELDS AND PARTS THEREOF, AND LENSES…
Owned by: SELLSTROM MANUFACTURING COMPANY
Serial Number: 71618255
