1933: The world’s first drive-in movie theater opens in Camden, New Jersey.
The concept was developed by Richard Hollingshead Jr., who experimented with various projection and sound techniques in the driveway of his house. Using a 1928 Kodak projector mounted on the hood of his car and aimed at a screen pinned to some trees, Hollingshead worked out the spacing logistics to make sure that all cars had an unobstructed view of the screen.
He received a patent for his idea in May 1933 and opened his first drive-in theater only three weeks later. They quickly fanned out across the country.
Click here to read full article from Wired.com: http://www.wired.com/science/discoveries/news/2008/06/dayintech_0606