Q: Iâm 24 years old female. I have a hard lump directly under my chin, not in my throat. I have had an itchy throat and have always has a lot of phlegm. I noticed the lump three days ago. My sister has had two benign tumors removed from her throat in the last 3 years. I donât know if this is important information but I thought it would be helpful.
In 1790, Samuel Slater built the first factory in America, based on the secrets of textile manufacturing he brought from England. He built a cotton-spinning mill in Pawtucket, Rhode Island, soon run by water-power.
The U.S. Patent System and the First Mechanical Patent. On March 6, 1646, Joseph Jenkes received the first mechanical patent in North America. Issued by the General Court of Massachusetts, it protected his mill for manufacturing scythes. That was the prelude to the U.S. Patent System which has helped give birth to major industries that have transformed the way we live.