Patents by Inventor Frank B. Calabrese

Frank B. Calabrese 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).

  • Needle cannula
    Patent number: 4335718
    Abstract: A needle cannula comprises a hollow tubular member having a first portion and a second portion terminating in a sharp point. The outside diameter of the second portion is less than the outside diameter of the first portion, while the inside diameter of the second portion is not less than the inside diameter of the first portion.
    Type: Grant
    Filed: October 2, 1980
    Date of Patent: June 22, 1982
    Assignee: Becton, Dickinson and Company
    Inventor: Frank B. Calabrese