Patents by Inventor Michael W. K. Saefkow

Michael W. K. Saefkow 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: 5462667
    Abstract: A filter and process of using the filter for the filtration of liquor cerebrospinalis, the filter has a membrane filter layer having a pore size of from 0.04-0.45 .mu.m a thickness of 0.1 to 1 mm, a geometric surface area of from 15-300 cm2, and a separation capacity of at least 500 .mu.g.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: October 31, 1995
    Assignee: Pall Corporation
    Inventors: Kurt H. Wollinsky, Michael W. K. Saefkow