Patents by Inventor Betty M. Daly

Betty M. Daly 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).

  • Rollover stretcher
    Patent number: 4137581
    Abstract: A stretcher for handling and carrying patients is constructed with a set of two frames, which consists of a carrying frame and an auxiliary frame, with the frames capable of being drawn in and out of each other sideways relatively to each other.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: February 6, 1979
    Inventor: Betty M. Daly