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.
During WWII, Nylon was used as a substitute for silk in parachutes. The first commercial use of this revolutionary petroleum product was for toothbrushes. On February 24, 1938, the Weco Products Company of Chicago, Illinois, began selling its new âDr. Westâs Miracle-Tuftâ â the earliest toothbrush to use synthetic DuPont nylon bristles. Americans will soon brush their teeth with nylon â instead of hog bristles, declared an article in the New York Times.