Patents by Inventor Michael G. Leff

Michael G. Leff 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).

  • Layer separator for a container
    Patent number: 4142634
    Abstract: A separator for supporting stacked layers of items within a container comprising a first plastic section having a honeycomb pattern embossed on its top surface for rigidity and to distribute any applied force equally in all directions and a second plastic section joined to the underside of the first section, the separator being substantially rectangular in shape and having rounded corners to aid in expelling air trapped between successive layers of items.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: March 6, 1979
    Assignee: Allied Plastics, Inc.
    Inventors: Michael G. Leff, Ronald W. Cobb