Mark W. Johnsgard

2 Patents

• US125447702026

  Method and Apparatus for Cleaning an Electrostatic Precipitator Gas Scrubbing Apparatus

  Exentec U.S., Inc.

  0 cites
• US119768902024

  Concentrically Heated Inlet Tube for Gas Scrubbing Apparatus

  Airgard, Inc.

  0 cites