U.S. federal trademark · Serial No. 87745355 · Reg. No. 6164482
Monitoring of HVAC and air filtering installations to ensure proper functioning; Monitoring of filters installed in HVAC and air filtering installations to ensure proper functioning; Engineering services for assessment of the performance of HVAC and air filtering installations; Engineering and design services in the fields of HVAC and air filtration; and Technological consulting in the technology fields of HVAC and air filtration
Maintenance of HVAC and air filtering installations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.