While a woman didn't invent the parasol, three women received patents for their improvements to the original design of umbrellas. In the first of a two-part series on inventive women, class members investigate the patent system to...

Inventors with patents have a distinct advantage in the market. But what happens when the patent expires? A series of questions from College Board asks learners to consider the effects of a patent expiration. Other practice prompts...

Students examine a scene from "Julius Caesar." After watching commercials and political ads on TV, students explore the intention of the commercial. They compare and contrast the forms of persuasion used. Students share their writings...

A brief description to the patent filing and an excerpt from the patent request that Willis Johnson filed for his improvements in the egg beater. Included are drawings submitted with the patent request.