John Bret Robertson

2 Patents

• US121889212025

  Method for In-field Determination of Water to Binder Ration of a Concrete Mixture

  The Board Of Regents For The Oklahoma AGRICULTURAL AND MECHANICAL COLLEGES

  0 cites
• US117402232023

  Method for In-field Determination of Water to Binder Ratio of a Concrete Mixture

  The Board Of Regents For The Oklahoma Agricultural And Mechanical Colleges

  0 cites