 |
|
|
|
Interesting Fact |
 |
|
 |
The first U.S. patent, issued in 1790 to Samuel Hopkins for a potassium compound, was signed by both President George Washington and then Secretary of State Thomas Jefferson. |
|
|
 |
Did you know... |
 |
|
 |
The Portfolio Manager allows you to save your favorite careers, colleges and majors for easy access and comparison! |
|
|
|
|
 |
|