Patents by Inventor Richard J. Perrin

Richard J. Perrin 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).

  • ALZHEIMER'S DISEASE BIOMARKERS AND METHODS OF USE
    Publication number: 20110143380
    Abstract: The invention encompasses biomarkers for AD, a method for detecting AD, a method of monitoring AD, and a kit for quantifying biomarkers for AD.
    Type: Application
    Filed: November 24, 2010
    Publication date: June 16, 2011
    Applicant: THE WASHINGTON UNIVERSITY
    Inventors: David Holtzman, Yan Hu, Robert Reid Townsend, Richard J. Perrin, Anne Fagan Niven, Rebecca Craig-Schapiro
  • Spring-motor dual-functioning mechanism
    Patent number: 4333489
    Abstract: For releasing and resetting a releasable and resettable device: a spring-motor dual-functioning mechanism comprising release means to release the device, a spring motor to reset the device, and spring-winding means to rewind the spring motor, the spring motor storage power being sufficient for at least two complete resetting operations of the mechanism.
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: June 8, 1982
    Assignee: Actionair Equipment Limited
    Inventors: Robert J. Magill, Donald J. Lockley, Richard J. Perrin