INDUSTRIAL ELECTRONICS SERVICE CO. Trademarks
SI-TRON
Filed: February 14, 1975
ELECTRONIC SIRENS, AND/OR PUBLIC ADDRESS SYSTEMS, SPEAKERS, AND PARTS THEREOF
Owned by: INDUSTRIAL ELECTRONICS SERVICE CO.
Serial Number: 73044230
S
Filed: February 24, 1975
ELECTRONIC SIRENS, PUBLIC ADDRESS AMPLIFIERS, SPEAKERS, MICROPHONES, ELECTRONIC CONTROL CONSOLES
Owned by: INDUSTRIAL ELECTRONICS SERVICE CO.
Serial Number: 73044931
I.E.
Filed: September 10, 1981
Communications Line Tester
Owned by: INDUSTRIAL ELECTRONICS SERVICE CO.
Serial Number: 73327435
