1945 Telephone Set Patent - Decor, Office Decor, Patent Print, Phone Patent, Telephone Patent, Telephone Blueprint, Telephone Patent Print

A patent print poster of a old fashioned vintage rotary telephone set designed by Omar Shann for Bell Telephone Labs. The patent was issued by the United States Patent Office on May 1, 1945. In 1914, at the start of World War I, there were 10 people for every working telephone in the U.S. By the end of World War II in 1945, there were five people for every working phone. With the rapidly growing number of telephone customers, AT&T and Bell Labs develop the North American Numbering Plan, a system that assigns telephone numbers to customers in the United States and its territories as well as Canada and many Caribbean nations in 1947. Patent prints allow you to have a piece of history in your Home, Office, Man Cave, Geek Den or anywhere you wish to add an interesting touch. COLORS AND SIZES Prints are available in many colors and in all popular sizes. You can select your size and color while you order. Larger sizes and additional print are available. If you would like a larger size o