Patents by Inventor Betsy Helen Berg

Betsy Helen Berg 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).

  • Cloth reserve dyeing
    Patent number: 3975151
    Abstract: A method for dyeing fabric to give pattern comprises clamping the fabric in certain configurations such as a folded configuration and applying dyestuffs which diffuse differentially between the clamps.
    Type: Grant
    Filed: August 13, 1973
    Date of Patent: August 17, 1976
    Assignee: BSG Designs Inc.
    Inventors: Betsy Helen Berg, Susana S. Szabo