Patents Represented by Law Firm Hall, Pridday, Myers & Vande Sande
  • High light transmission, low-E sputter coated layer systems and insulated glass units made therefrom
    Patent number: 6132881
    Abstract: A high visible light transmitting, low-E sputter coating system, achieving neutral color and non-mirror-like appearance, useful in 2-pane and 3-pane IG units is achieved by an intermediate layer of silver, an undercoat of a metal oxide or nitride having an index of refraction of 2.35-2.75 and an overcoat of a metal oxide or nitride having an index of refraction of 1.85-2.25.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: October 17, 2000
    Assignee: Guardian Industries Corp.
    Inventors: Klaus W. Hartig, Philip J. Lingle, Steven L. Larson