Douglas W. Lamm

3 Patents

• US125765652026

  System and Method of Injecting Accurate Quantities of Foam Into Cavities Without Positive Displacement Flow Meters or Flow Rate Control Apparatus

  Building Envelope Materials LLC

  0 cites
• US123855932025

  System and Method of Injecting Insulating Foam Precursors Into Cavities in a Required Ratio Without Reliance on Valves or Volumetric Proportioners

  Building Envelope Materials LLC

  0 cites
• US120001392024

  Insulation Injection Device

  Building Envelope Materials LLC

  0 cites