David J. W. Aastuen

4 Patents

• US124331402025

  Display and Display System

  3M INNOVATIVE PROPERTIES COMPANY

  0 cites
• US123861912025

  Optical Film and Polarizing Beam Splitter

  3M INNOVATIVE PROPERTIES COMPANY

  0 cites
• US120992262024

  Optical System

  3M INNOVATIVE PROPERTIES COMPANY

  0 cites
• US118658082024

  Shaped Optical Films and Methods of Shaping Optical Films

  3M INNOVATIVE PROPERTIES COMPANY

  0 cites