Patents by Inventor Philip M. Crosby

Philip M. Crosby 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: 4862730
    Abstract: A method is described for determining the degree of moisture vapor transmission of certain materials which comprises taking a weighed test cup containing a saturated salt solution sealed inside the cup with a waterproof, moisture vapor permeable membrane, and inserting it over a sample that is supported on a waterproof, moisture vapor permeable membrane over a controlled temperature waterbath. After a set time, the cup is reweighed and the water pick up recorded.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: September 5, 1989
    Assignee: W. L. Gore & Associates, Inc.
    Inventor: Philip M. Crosby