Patents by Inventor Fred B. Lederman

Fred B. Lederman 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: 5894986
    Abstract: An inexpensive mailing envelope with a window opening to which a decorative image-bearing sheet member is attached. The image-bearing sheet member may be transparent or semi-opaque, partially revealing the contents of the said envelope. The inclusion of a decorative image visible from the outside of the envelope induces mailing recipients to open the envelope and examine the contents inserted therein. The window opening may be placed on the rear panel of the envelope, opposite the panel displaying address information. The image-bearing sheet material may be detachable and may be promoted as a gift.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: April 20, 1999
    Assignee: Focus Direct, Inc.
    Inventors: Fred B. Lederman, June Bush