Patents by Inventor Douglas Raymond Hawkins

Douglas Raymond Hawkins 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).

  • Lateral spondylolisthesis reduction cage
    Patent number: 11911287
    Abstract: An intervertebral fusion device comprising inferior and superior fusion cage devices that provide an ability to correct spondylolisthesis via in-situ adjustment.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: February 27, 2024
    Assignee: DePuy Synthes Products, Inc.
    Inventors: Michael J. O'Neil, Hassan Serhan, Douglas Raymond, John Riley Hawkins
  • HINDERED ALKYLAMINE POLYMER
    Publication number: 20140056840
    Abstract: The present invention relates to a polymer comprising hindered primary amine groups bonded to the backbone of the polymer by way of an amide, ester, or thioester linkage. The polymer is particularly useful as an adjuvant, especially for isothiazolone, and as a dispersant and stain blocker in coatings formulations.
    Type: Application
    Filed: August 23, 2013
    Publication date: February 27, 2014
    Applicants: ROHM AND HAAS COMPANY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Sudhakar Balijepalli, Douglas Raymond Hawkins, Kathleen Rising Manna, Lidaris San Miguel Rivera