EHC (EHC Escalator Handrail Company (Shanghai) – founded by Ronald H. Ball) has been granted Patent #ZL00805657.9 for applying advertising to escalator handrails.
Application Date: February 18, 2000 and granted on august 9, 2006
EHC (EHC Escalator Handrail Company (Shanghai) – founded by Ronald H. Ball) has been granted Patent #ZL00805657.9 for applying advertising to escalator handrails.
Application Date: February 18, 2000 and granted on august 9, 2006