How to find a public record patent?

Does anyone know how to find a public record patent. I’ve been looking for hour and can’t seem to find anything. There is a company Magic touch Inc. that has a product they add to there auto paint that makes it fill in deep scratches. I’ve been told it’s just a few products that you can buy at any auto paint store but that it’s the mixture and amount of each product that’s the secret. Apparently there’s other’s that are selling the product additive but you have to join there organization for thousands of dollars. The people who are making it there selves aren’t telling. So it must be something good. Any help or info?

Thank You,
Jason Hatchett