PHOTO RESEARCH CORPORATION Trademarks
PR
Filed: March 7, 1949
TESTERS USED ON EXPOSURE METERS AND PHOTOELECTRIC COLOR TEMPERATURE METERS
Owned by: PHOTO RESEARCH CORPORATION
Serial Number: 71575015
METRIC PR
Filed: July 6, 1964
INSTRUMENTS FOR MEASURING AND TESTING LIGHT
Owned by: PHOTO RESEARCH CORPORATION
Serial Number: 72197169
OPTOLINER
Filed: May 17, 1967
OPTICAL-ELECTRICAL INSTRUMENTS FOR TESTING AND MEASURING TELEVISION CAMERA AND IMAGE TUBE PARAMETERS
Owned by: PHOTO RESEARCH CORPORATION
Serial Number: 72271720
