PARTICLE DATA LABORATORIES, INC. Trademarks
ELECTROZONE
Filed: July 26, 1961
PARTICLE MEASUREMENT SERVICES-NAMELY, MAKING TEST ANALYSES, PARTICLE COUNTS AND SIZE DISTRIBUTION MEASUREMENTS OF PARTICULATE…
Owned by: PARTICLE DATA LABORATORIES, INC.
Serial Number: 72124750
ELECTRO ZONE
Filed: October 23, 1963
PARTICLE MEASUREMENT APPLIANCES-NAMELY, PARTICLE DATA REGISTERING APPARATUS, APERTURED SENSING ZONE TUBES AND MEASUREMENT…
Owned by: PARTICLE DATA LABORATORIES, INC.
Serial Number: 72179653
