National Technical Systems Trademarks
CURRENT DETERRENT

CURRENT DETERRENT

Filed: July 19, 1982
Acoustically Operated Electric Switches
Owned by: National Technical Systems
Serial Number: 73375285

NTS NRTL

NTS NRTL

Filed: September 13, 1996
testing of devices for product compliance as specified in our NRTL application
Owned by: National Technical Systems
Serial Number: 75165579