Patents by Inventor John H. Schlich

John H. Schlich 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).

  • Two-way bar code window envelope
    Patent number: 4993624
    Abstract: A two-way reusable envelope useful for commercial mass-mailings is disclosed. The envelope includes a window aligned along the bottom right-hand edge of the front envelope panel, thereby enabling standard Postal Service zip code bar code markings to be visible during both trips of the two-way envelope. The envelope additionally includes a two-portion closure flap which enables Facing Identification Marks and appropriate postage to be visible from the front of the envelope only during one trip as appropriate.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: February 19, 1991
    Assignee: National Service Industries, Inc.
    Inventor: John H. Schlich