ELAC by ELAC ELECTROACUSTIC GMBH (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 04-Sep-1990 Serial number: 74093697
TAKELAC by MITSUI CHEMICALS, INC. (Track this)
Intl: (001) Chemicals US: 005 Filing date: 27-Dec-1983 Serial number: 73458826
HELAC by PARKER INTANGIBLES LLC (Track this)
Intl: (007) Machinery US: 023 Filing date: 19-Nov-1979 Serial number: 73239632