Patents by Inventor David H. Rockwood

David H. Rockwood 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).

  • Specialty Papers And/or Methods For Making Specialty Papers
    Publication number: 20140305604
    Abstract: A filter paper having a composition of softwood fibers in the range of about 50 to about 100 percent by weight, and synthetc fibers that are present in the range of about 0 to about 50 percent by weight. The softwood fibers can be divided between northern softwoods and southern softwoods. Pulp is present in an amount of about 95 to about 98 weight percent of the furnish.
    Type: Application
    Filed: April 16, 2013
    Publication date: October 16, 2014
    Applicant: Burrows Paper Corporation
    Inventors: David H. Rockwood, Rock A. Scarano, Donald J. Palmer, John D. Sterzinar
  • Method of printing and printing medium
    Patent number: 5935689
    Abstract: A method of printing and a printing medium containing a base paper and having a smoothness of less than or equal to about 110 Hagerty units, a formation index of at least about 40 and a caliper and charge acceptance sufficient to minimize or substantially or totally eliminate mottle.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: August 10, 1999
    Assignee: Xerox Corporation
    Inventors: Diane M. Foley, David H. Rockwood