The first patent in the United States was signed by George Washington on July 31, 1790 and was issued to Mr. Samuel Hopkins for the invention of a process for making potash (a salt rich in potassium, which is used in fertilizer).
Ladas is honored to be a part of the long history of the United States intellectual property system.
To view U.S. Patent Number 10,000,00, please visit: https://10millionpatents.uspto.gov/docs/patent10million.pdf