Patents by Inventor Leonardo Sideri

Leonardo Sideri 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: 5692188
    Abstract: A drum photographic processor is provided which comprises a trough for receiving processing liquid, a drum mounted within the trough in contact with the liquid, the drum having an outer surface for mounting the photographic sheet material such that a non-emulsion side of the sheet material contacts the drum outer surface, a motor for rotating the drum outer surface to pass an emulsion side of the sheet material through the liquid in the trough, and a groove on the outer surface of the drum for receiving an edge of the photographic material off of the drum surface as it is rotated through the liquid. In another aspect, the invention provides a method of processing photographic material using the drum photographic processor.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: November 25, 1997
    Inventors: Todd A. Watts, Leonardo Sideri
  • Patent number: 4493433
    Abstract: A self-locking pilfer proof tamper evident container comprises two walled panels, within which walls are placed interlocking tabs when brought together to close the container in a manner whereby the container must be destroyed to gain access to its contents.
    Type: Grant
    Filed: April 10, 1984
    Date of Patent: January 15, 1985
    Assignee: Leonardo Sideri
    Inventors: Leonardo Sideri, Enzo Del Brocco
  • Patent number: 4445622
    Abstract: A self-locking container comprises two walled panels, the respective walls being constructed to interlock when brought together to close the container in a manner whereby the container must be destroyed to gain access to its contents.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: May 1, 1984
    Inventor: Leonardo Sideri