Patents by Inventor Charles E. Spencer

Charles E. Spencer 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).

  • Method and apparatus for storing and displaying fruit
    Patent number: 3948401
    Abstract: A method and apparatus for storing and displaying articles as fruit and the like utilizes a display package that includes a diaphragm member for holding the contents of the package and a pneumatic expander that moves the contents contained in the diaphragm member and the diaphragm member itself toward the top of the display package as the contents are removed or to the bottom of the package as contents are added.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: April 6, 1976
    Inventor: Charles E. Spencer
  • Method and apparatus for storing and displaying fruit
    Patent number: RE30374
    Abstract: A method and apparatus for storing and displaying articles as fruit and the like utilizes a display package that includes a diaphragm member for holding the contents of the package and a pneumatic expander that moves the contents contained in the diaphragm member and the diaphragm member itself toward the top of the display package as the contents are removed or to the bottom of the package as contents are added.
    Type: Grant
    Filed: August 12, 1977
    Date of Patent: August 19, 1980
    Inventor: Charles E. Spencer
  • Portion of a cabinet shelf
    Patent number: D568648
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: May 13, 2008
    Assignee: The Durham Manufacturing Company
    Inventors: Denis Roussel, Charles E. Spencer