Patents by Inventor Luis F. Ortueta Corona

Luis F. Ortueta Corona 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).

  • Optical apparatus with a slide lighting system for detecting a woman's fertile period during her menstrual cycle
    Patent number: 4815835
    Abstract: An optical apparatus with a slide lighting system for detecting a fertile period during a woman's menstruation cycle from her saliva has inner and outer telescopic tubular bodies. The inner tubular body has an optical system of three, fixed lenses for 100 fold magnification of the saliva on a slide. The outer tubular body has, at one free end, a window for receiving the slide and threading for the axial attachment of another light-device tubular body for lighting the slide.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: March 28, 1989
    Inventor: Luis F. Ortueta Corona