Patents by Inventor Alexander Lewyt

Alexander Lewyt 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: 4762271
    Abstract: An envelope system is described which is particularly efficient in its manufacture and use. It has particular utility in the marketing field for conducting surveys and like procedures.The envelope system comprises first and second envelopes integrally joined by a perforated, frangible tear line for separation. The first envelope is formed from a folded planar sheet having a sealable flap for closing the envelope and optionally may have a window for viewing envelope contents. The second envelope, which may be used for returning materials to the sender of the integrated envelopes, comprises a folded, closeable sheet having an aperture for viewing the envelope contents.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: August 9, 1988
    Inventor: Alexander Lewyt
  • Patent number: 4559727
    Abstract: A mailable, promotional device is disclosed, usefully employed in promotional activities such as the assemblage of a mailing list. The device comprises, broadly, a wallet type of foldable display frame including tear off sheets for the inclusion of indicia to be returned to the promoter.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: December 24, 1985
    Inventor: Alexander Lewyt