Patents by Inventor Irena Markarchuk

Irena Markarchuk 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).

  • Document feeding apparatus
    Patent number: 5074544
    Abstract: Document feeding apparatus, comprising: structure for registering an edge of a document; first structure for feeding a document in a path of travel; and second structure for feeding a document from the registering structure to the first feeding structure, the second feeding structure including a plurality of rows of independently flexible members rotatable into and out of engagement with a document.
    Type: Grant
    Filed: October 17, 1990
    Date of Patent: December 24, 1991
    Assignee: Pitney Bowes Inc.
    Inventors: Walter J. Kulpa, Irena Markarchuk