Patents by Inventor A. Martin Zweiback

A. Martin Zweiback 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).

  • Face mask
    Patent number: D270110
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: August 16, 1983
    Assignee: Adrienne Moore
    Inventors: Adrienne Moore, A. Martin Zweiback