EHC (Escalator Handrail Company – founded by Ronald H. Ball) has been granted Patent #7041195 for the method of applying and removing advertising film to and from escalator handrails.
Application Date: April 22, 2000 and granted on May 9, 2006
EHC (Escalator Handrail Company – founded by Ronald H. Ball) has been granted Patent #7041195 for the method of applying and removing advertising film to and from escalator handrails.
Application Date: April 22, 2000 and granted on May 9, 2006