EHC (Escalator Handrail Company – founded by Ronald H. Ball) has been granted Patent #2002/01991 for applying film to escalator handrails for the purpose of advertising.
Application Date: August 13, 2002 and granted on August 22, 2005
EHC (Escalator Handrail Company – founded by Ronald H. Ball) has been granted Patent #2002/01991 for applying film to escalator handrails for the purpose of advertising.
Application Date: August 13, 2002 and granted on August 22, 2005