Patents by Inventor Michael Colby Bigwood

Michael Colby Bigwood 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).

  • Container with refillable core
    Patent number: 6668579
    Abstract: A doubled wall container is disclosed having a fill cap that allows a user to alternately add or remove a liquid from an interior volume formed between the walls of the container.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: December 30, 2003
    Assignee: MPDI
    Inventors: Michael Colby Bigwood, Mark D. Morrison
  • CONTAINER WITH REFILLABLE CORE
    Publication number: 20030226372
    Abstract: A doubled wall container is disclosed having a fill cap that allows a user to alternately add or remove a liquid from an interior volume formed between the walls of the container.
    Type: Application
    Filed: June 6, 2002
    Publication date: December 11, 2003
    Applicant: MPDI
    Inventors: Michael Colby Bigwood, Mark D. Morrison