Patents by Inventor Anthony J. Friona

Anthony J. Friona 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 of fabricating an expulsion tank diaphragm
    Patent number: 4129025
    Abstract: A diaphragm adapted for use in a positive expulsion tank is subjected to a pre-rolling operation prior to installation within a tank in order to provide for improved diaphragm rolling characteristics during a subsequent expulsion operation.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: December 12, 1978
    Assignee: Textron Inc.
    Inventors: Lee F. Carey, Anthony J. Friona