Patents by Inventor Helen C. Bulwick

Helen C. Bulwick 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: D285730
    Type: Grant
    Filed: July 27, 1984
    Date of Patent: September 16, 1986
    Assignee: Sanca International Inc.
    Inventor: Helen C. Bulwick