Patents by Inventor Loretta Alice Fifield

Loretta Alice Fifield 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).

  • Urine drainage apparatus
    Patent number: 4029099
    Abstract: The fluid conducting tube leading from a catheter to a container is formed with a section of bellows-like or accordion-like construction so that when it is expanded the tube is long and when it is collapsed the tube is short. An engaging member at each end of the section can be brought together and interlocked to hold the section in collapsed formation.
    Type: Grant
    Filed: December 4, 1975
    Date of Patent: June 14, 1977
    Inventor: Loretta Alice Fifield