Patents by Inventor Ralph Goldfarb

Ralph Goldfarb 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).

  • Polytetrafluorethylene-polyurethane coated fabric
    Patent number: 4483900
    Abstract: A fabric is produced by coating a synthetic substrate fabric with a milled combination of 75 parts fully reacted polyurethane and 25 parts polytetrafluorethylene (PTFE), which product fabric has a large plurality of pores of about 0.2-0.3 microns, and provides high levels of thermal and vapor transmission through the fabric while being highly water repellent. The present fabric is useful in a single ply application for a wide range of apparel and camping goods.
    Type: Grant
    Filed: July 15, 1982
    Date of Patent: November 20, 1984
    Assignee: Oakwood Industries, Inc.
    Inventor: Ralph Goldfarb