Patents by Inventor Patrick Lee Wayne Walker

Patrick Lee Wayne Walker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Clean swipe
    Publication number: 20040078914
    Abstract: Having a Clean Swipe on your automobile or recreational vehicle will allow you to check your oil level like never before. Not only is its operation cleaner but also faster and with less hassle. The Clean Swipe will forever change the way we check our oil levels.
    Type: Application
    Filed: January 31, 2003
    Publication date: April 29, 2004
    Inventor: Patrick Lee Wayne Walker