Patents by Inventor David F. Larson

David F. Larson 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).

  • Article identification system with faraday screens
    Patent number: 8162213
    Abstract: The present disclosure includes methods and systems for identifying articles. One method embodiment includes positioning a number of movable Faraday screens in particular locations relative to a number of different stages in a laundering process, and moving a mobile electronic identification device (EID) reader past the locations.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: April 24, 2012
    Assignee: G&K Services, Inc.
    Inventors: David F. Larson, Ryan R. Windy, Andrew J. Thompson, Dean Frew, Jeremy Duddlesten, Chad Ward, Richard Svalesen, David Grandfield, Solomon Dasary, Eric McPherson
  • ARTICLE IDENTIFICATION SYSTEM
    Publication number: 20100019035
    Abstract: The present disclosure includes methods and systems for identifying articles. One method embodiment includes positioning a number of movable Faraday screens in particular locations relative to a number of different stages in a laundering process, and moving a mobile electronic identification device (EID) reader past the locations.
    Type: Application
    Filed: July 25, 2008
    Publication date: January 28, 2010
    Applicant: G & K Services, Inc.
    Inventors: David F. Larson, Ryan R. Windy, Andrew J. Thompson, Dean Frew, Jeremy Duddlesten, Chad Ward, Richard Svalesen, David Grandfield, Solomon Dasary, Eric McPherson
  • Toothbrush
    Patent number: 4150457
    Abstract: A toothbrush consisting of an integrally molded elongated handle including a generally cylindrical intermediate portion having a longitudinal axis, and two tapered curved neck portions extending from opposite ends thereof, each neck portion having a brush head secured thereto. The brush heads extend in substantially parallel planes, and at opposite angles with respect to the longitudinal axis and include bristle tufts secured thereto for forming a pair of circular convex substantially identical bristle surfaces so that one of the bristle surfaces extends inwardly toward the handle and the other one of the bristle surfaces extends outwardly away from the handle, whereby the brush heads can be effectively utilized to remove plaque from the concave surfaces of all of the user's teeth and gums.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: April 24, 1979
    Inventor: David F. Larson