William Julian Roy

3 Patents

• US125843272026

  Modulating Pool or Spa Heater Systems and Associated Methods

  Hayward Industries, Inc.

  0 cites
• US122227022025

  Modulating Pool or Spa Heater Systems and Associated Methods

  Hayward Industries, Inc.

  0 cites
• US121107072024

  Swimming Pool/spa Gas Heater Inlet Mixer System and Associated Methods

  Hayward Industries, Inc.

  0 cites