| FOR A HEALTHIER INDOOR AIR ENVIRONMENT Service-Tech Corporation
74359820 17 Feb 1993 | on 06 Apr 2002 | commercial, industrial and residential cleaning of ventilation, heatin... Class 037 Class 037 Construction and Repair Services commercial, industrial and residential cleaning of ventilation, heating, and air circulation systems and their related hardware | | | STC BECAUSE THERE'S ONLY ONE ENVIRONMENT. SERVICE-TECH CORPORATION
74206902 26 Sep 1991 | on 29 Dec 2000 | commercial, residential and industrial cleaning of ventilation and air... Class 037 Class 037 Construction and Repair Services commercial, residential and industrial cleaning of ventilation and air circulation systems, building restoration, and related services | | | SERVICE-TECH STC CORPORATION SERVICE-TECH CORPORATION
73714560 03 Mar 1988 | on 29 May 1995 | COMMERCIAL, RESIDENTIAL AND INDUSTRIAL CLEANING OF VENT AND AIR CIRCUL... Class 037 Class 037 Construction and Repair Services COMMERCIAL, RESIDENTIAL AND INDUSTRIAL CLEANING OF VENT AND AIR CIRCULATION SYSTEMS, BUILDING RESTORATION, AND RELATED SERVICES | |