Patents by Inventor Calvin J. Benning

Calvin J. Benning 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).

  • Patent number: 3959429
    Abstract: A method of making a retention catheter of the Foley type comprising the steps of insert molding a tip onto a catheter shaft with the proximal end of balloon attached thereto and simultaneously insert bonding the distal end of the balloon into the catheter tip.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: May 25, 1976
    Assignee: International Paper Company
    Inventor: Calvin J. Benning