Patents by Inventor Mark F. Baumgartner

Mark F. Baumgartner 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: 5288631
    Abstract: A tubular membrane suitable for the delivery of a gaseous fluid to a surrounding medium has an irregular exterior surface to facilitate the diffusion of gas from the lumen to the exterior.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: February 22, 1994
    Assignee: Centocor Incorporated
    Inventors: Mark F. Baumgartner, William R. Tolbert, John Shanahan
  • Patent number: 5112760
    Abstract: Disclosed is a method of using a tubular membrane to deliver a gaseous fluid to a surrounding cell culture medium. The tubular membrane has an irregular exterior surface to facilitate the diffusion of gas from the lumen to the exterior.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: May 12, 1992
    Assignee: Centocor, Incorporated
    Inventors: Mark F. Baumgartner, William R. Tolbert, John Shanahan