Patents by Inventor Margrethe Koshland

Margrethe Koshland 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).

  • Cleaning implement
    Publication number: 20060230567
    Abstract: A cleaning implement is provided for cleaning surfaces with a cleaning substrate. The cleaning implement includes a handle connected via a universal joint to a support head. The support head includes a substantially transparent top piece having a plurality of protruding and recessed region which diffract light to create visible shadow and bright zones.
    Type: Application
    Filed: April 13, 2006
    Publication date: October 19, 2006
    Inventors: Richard Harper, James Poland, Douglas McGahan, Gregory Spooner, Caroline Flagiello, Margrethe Koshland, Anthony Piazza, John Stoddard, Pontus Kaj Wahlgren