HALLICRAFTERS by PROFESSIONAL ELECTRONICS CO., INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 22-Feb-1997 Serial number: 75245953
ZERO HALLIBURTON by ZERO HALLIBURTON INCORPORATED (Track this)
Intl: (009) Electrical and scientific apparatus; (018) Leather goods US: 003; 026; 003 Filing date: 08-Dec-1980 Serial number: 73288922