HC HEATCON by HEATCON COMPOSITE SYSTEMS, INC. (Track this)
Intl: (007) Machinery; (041) Education and entertainment; (042) Computer, scientific & legal US: 013; 019; 021; 023; 031; 034; 035; 100; 101; 107; 100; 101 Filing date: 24-Jun-1994 Serial number: 74541996
HEATCON by HEATCON COMPOSITE SYSTEMS, INC. (Track this)
Intl: (007) Machinery; (041) Education and entertainment; (042) Computer, scientific & legal US: 013; 019; 021; 023; 031; 034; 035; 100; 101; 107; 100; 101 Filing date: 24-Jun-1994 Serial number: 74542053
DIRECT HEATCON by A.K. TECHNICAL LABORATORY INC. (Track this)
Intl: (007) Machinery US: 013; 019; 021; 023; 031; 034; 035 Filing date: 26-Mar-1993 Serial number: 74373614
HEATCOOL SERVICE CO. WE HEAT THE COOL & COOL THE HEAT by HeatCool Service Co. (Track this)
Intl: (037) Building construction and repair; (042) Computer, scientific & legal US: 103; 101 Filing date: 07-Apr-1992 Serial number: 74264741