Patents by Inventor Roland G. Waitszies

Roland G. Waitszies 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).

  • DRILL BIT EXTENSION
    Publication number: 20080181740
    Abstract: A drill bit extension device is disclosed for use with a quick release drill chuck, the device including a body portion for securing a replacement drill bit and a stem structured and arranged for insertion into the quick release drill chuck.
    Type: Application
    Filed: January 28, 2008
    Publication date: July 31, 2008
    Inventor: Roland G. Waitszies