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.
Although endoscopes were first used by Hirschmann, in 1903,the development of the rigid endoscope by H. H. Hopkins and its use in maxillary sinus surgery, reported in 1989 by Hopkins and Kapang, were instrumental to our current understanding of sinus disease.