Patents by Inventor Lawrence R. Zall

Lawrence R. Zall 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: D302482
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: July 25, 1989
    Assignee: Allied of Chicago, Inc.
    Inventor: Lawrence R. Zall
  • Patent number: D302483
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: July 25, 1989
    Assignee: Allied of Chicago, Inc.
    Inventor: Lawrence R. Zall
  • Patent number: D303024
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: August 22, 1989
    Assignee: Allied of Chicago, Inc.
    Inventor: Lawrence R. Zall