Patents by Inventor David Eisler

David Eisler 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).

  • Feeder and bottom stacker
    Patent number: 4570918
    Abstract: Apparatus for removing the bottom sheets from a stack of sheets or inserting sheets at the bottom of a stack of sheets including an air knife to provide an air cushion between the stack of sheets and the bottom sheet in the stack and a reversible drive roll mounted within a vacuum plenum for driving sheets beneath or away from the sheet stack.
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: February 18, 1986
    Assignee: Xerox Corporation
    Inventor: David Eisler