Design patents in the U.S. typically include two types of shading. The first and most common type of shading used in U.S. design patents is opaque shading, which illustrates a non-transparent or ...

A U.S. design patent protects how something looks, as opposed to how it works. An applicant conveys that look primarily using drawings. Typically they use line drawings, so that the scope of ...

Transparent and translucent art; an exhibition presented at the Museum of Fine Arts, St. Petersburg, Fla., March 2 through March 28, 1971 and the Jacksonville Art Museum, Jacksonville, Fla., April 8 ...

The question, "How can we control natural light in interior spaces?" is fundamental in architecture. Unregulated direct sunlight can cause discomfort such as visual strain and undesirable heat gains.