Don Duffin

3 Patents

• US120054642024

  Sprinkler with Radially Limited Nutating Spool Assembly

  XCAD Valve And Irrigation, Inc.

  0 cites
• US118969902024

  Nozzle Assembly with Rotating Nozzle Insert

  XCAD VALVE AND IRRIGATION, Inc

  0 cites
• US118906342024

  Eddy Current Sprinkler Dampener

  XCAD USA

  0 cites