Patents by Inventor David S. Marston

David S. Marston 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).

  • Stabilized bottle
    Patent number: 5000331
    Abstract: A light-weight bottle stabilized against knockdown or tipping over comprising in combination, the bottle and a lead weight which weight is wrapped around the base of the bottle and wherein at least the surface contacting the bottle is covered with a cushioning material.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: March 19, 1991
    Assignee: Instruments For Research and Industry I.sup.2 R. Inc.
    Inventors: Daniel R. Conlon, David S. Marston