About 1 Trademarks found that are owned by Rodney James Harman

Industrial-grade plastic termination collar, in particular, non-metal pipe collars for use with round diffusers and grilles used for Heat Recovery Ventilation (HRV) systems, Energy Recovery Ventilation (ERV) systems and In-line fan supply and exhaust air terminations systems used in the field of air distribution for heating, cooling and ventilation duct systems for the Heating, Ventilation and Air Conditioning (HVAC) trade