The United States Patent and Trademark Office (USPTO) is repsonsible for registering and maintaining all patent and trademark records in the United States. Usually to file a patent on USC research, you will go through the USC Stevens Center for Innovation, not directly through USPTO.
USPTO does maintain searchable databases of all US patents.
Google Patents coverage includes:
If you are having issues searching the USPTO databases, try searching Google Patents to find the US patent number. Then go back to the USPTO and search by patent number.