Google does provide information about a lot of patents including the first one ever issued.
Despite its limitations, the Google database will help you significantly research patents.
You will have to use free and paid search tools to retrieve adequate results.
This website provides fast and easy access to PDF documents and images.
You may have a difficult time trying to access PDF documents using the United States Patent Office (USPTO) system.
The Patent Office website is easy to use, and it has a Help section that offers decent advice to patent researchers.
You should also consider using another site named Free Patents Online.