Patents by Inventor Eric Duggan

Eric Duggan 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: 4478886
    Abstract: A web treating method for treating both surfaces of a web of material, such as canvas, including treatment stations so arranged to place a coating on each side of the web; the web passing through at least one treatment station while running in one direction and through at least one other station after the direction of movement of the web has been reversed.
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: October 23, 1984
    Inventor: Eric Duggan