Erdco Engineering Corporation Trademarks
TOX-EX
Filed: November 19, 1962
Combustible and Toxic Gas Indicators and Alarms
Owned by: Erdco Engineering Corporation
Serial Number: 72157482
SNIFF-N-SNEEZE
Filed: March 30, 1972
APPARATUS FOR CLEANING AND SUPPLYING SAMPLE GAS TO FLAMMABLE GAS/VAPOR DETECTION AND CONTROL SYSTEMS
Owned by: Erdco Engineering Corporation
Serial Number: 72419923
RAPID TESTER
Filed: January 16, 1991
instruments for the determination of physical properties; namely, flash point, combustibility, and ignitability testers
Owned by: Erdco Engineering Corporation
Serial Number: 74130846
