Although cases like Katzenbach and Heart of Atlanta Motel stretched Congress' power to regulate under the Commerce Clause, United States v. Lopez, 514 U.S. 549 (1995) restricted the Commerce Clause's reach.
Toothbrushes have been around for hundreds of years. In fact, the first known toothbrushes were used about 5,000 years ago and were made of twigs. The Prophet Mohammed introâ¦duced the use of the miswak (toothbrush) to the middle east about 1,300 years ago.
1 The first mass-produced toothbrush was made by William Addis of Clerkenwald, England, around 1780. 2  The first American to patent a toothbrush was H. N. Wadsworth, (patent number 18,653,) on Nov. 7, 1857.3  Mass production of toothbrushes began in America around 1885. About.com-Inventors-Dental Innovations-History of Dentistry-This site discusses the history of the toothbrush and toothpaste, including the first electric toothbrush invented in 1939. 2  Floss.com-This site provides dental trivia and tips as well as information on the origins of toothpaste and floss.