Patents by Inventor Robert A. Wiederhold

Robert A. Wiederhold 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).

  • Fuser member
    Patent number: 4430406
    Abstract: A fuser member has a composite layer including (1) a first layer of a first material which is an elastomer; (2) a second layer of a second material which is preferably a fluoroelastomer which is impervious to fuser oil absorbed by said first material; and (3) a layer intermediate to and continuous with the first and second layers in which the proportion of the first material to the second material gradually varies from substantially only the first material to substantially only the second material.Methods of making the fuser member by a spray technique and of using the fuser member to fuse toner images to a receiver are also disclosed.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: February 7, 1984
    Assignee: Eastman Kodak Company
    Inventors: James S. Newkirk, Robert A. Wiederhold