Patents by Inventor John G. Vail

John G. Vail 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).

  • Combined insulated drinking mug and megaphone
    Patent number: 4618066
    Abstract: Disclosed is an inventive apparatus which is interchangeably useful as a container or a megaphone. The apparatus includes a rigid, hollow, double-walled body open at its bottom through an outlet and opened at its top through a port. The apparatus is designed to be hand-held. A removable and reinsertable cap and base are designed to fit respectively into the port and outlet. When inserted, the cap and base make the body useful as a temperature maintaining potable liquid container. When removed, the cap and base open the body for use as a megaphone.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: October 21, 1986
    Assignee: Mug-A-Phone, Inc.
    Inventor: John G. Vail
  • Combined mug and megaphone
    Patent number: D283772
    Type: Grant
    Filed: December 21, 1983
    Date of Patent: May 13, 1986
    Assignee: Mug-A-Phone, Inc.
    Inventor: John G. Vail