Patents by Inventor Doug Crabtree

Doug Crabtree 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).

  • DRINKING CUP HAVING REMOVABLE SEAL
    Publication number: 20090107861
    Abstract: The present invention provides for a vessel, such as a drinking cup, and a method for storing a product, the drinking cup having a removable seal enclosing the product in a chamber in the drinking cup and providing a second volume for adding a liquid for mixing with the product. A removing member may be coupled to the removable seal to allow for removal of the removable seal.
    Type: Application
    Filed: October 29, 2008
    Publication date: April 30, 2009
    Inventor: Doug Crabtree