Patents by Inventor Charles P. DeFelice

Charles P. DeFelice 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).

  • X-Ray cassette having quick film release mechanism
    Patent number: 4383330
    Abstract: An x-ray cassette of the type having a film buckler member is characterized in that the film engaging edge of the buckler member extends substantially perpendicular to the plane of the film. The film engaging surface of the buckler is further provided with upper and lower film catches and a biasing member to retract the buckler member away from the path of the film.
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: May 10, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Charles P. DeFelice, Donald F. LeRoux