George A. Mackay

2 Patents

• US124176692025

  Lighweight Vandal Resistent Parking Meter

  J.J. Mackay Canada Limited

  0 cites
• US117624792023

  SPI Keyboard Module for a Parking Meter and a Parking Meter Having an SPI Keyboard Module

  J.J. MACKAY CANADA LIMITED

  0 cites