The first US patent was issued on July 31, 1790 to Samuel Hopkins
of Philadelphia.
Numbered patents began in 1836. Patent No. 1 was granted to John
Ruggles of Maine on July 13, 1836.
There are three types of patents:
utility, design, and plant.
The US has issued over 6.5 million patents since 1790.
Patents grant inventors the right to control the use of their inventions
for 20 years in the case of utility and plant patents and for 14 years
in the case of design patents.
Disclaimer: The Patent Search Information site is the
work of an information specialist with over 25 years of experience and
strives to be as accurate and useful as possible. However, no information
from this site should be construed in any way as providing legal advice.
Consult an attorney if you need legal advice.