Patents by Inventor Helene Stroh

Helene Stroh 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: 6357596
    Abstract: The invention in the simplest form is a passive method and apparatus for filtering motile sperm from a sperm sample. The invention passively filters the motile sperm using a membrane assembly disposed in a container. In operation, a sperm sample is placed on one side of the membrane assembly, and the motile sperm migrate through the membrane where they can be easily extracted.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: March 19, 2002
    Inventors: Amnon Weichselbaum, Shalom Bar-Ami, Benjamin Rivnay, Helene Stroh