Patents by Inventor Paul Huy NGUYEN

Paul Huy NGUYEN 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).

  • Fresnel lens with light-scattering preventive feature
    Patent number: 9335447
    Abstract: A Fresnel lens including a plurality of sawtooth-shaped projections, with each projection including a first surface at a first angle and a second surface at a second angle. Each first surface has top and bottom edges and each second surface has top and bottom edges. Each projection has a top intersection where the top edge of the first surface intersects the top edge of the second surface. Adjacent projections have a bottom intersection where the bottom edge of the second surface of a first one of the adjacent projections intersects the bottom edge of the first surface of a second one of the adjacent projections. The lens portion is opaque at the top intersection of the projections, at the bottom intersection of adjacent projections, and on the first surface between the top intersection and the bottom intersection.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: May 10, 2016
    Assignee: STRYKER CORPORATION
    Inventors: Gianni R. Boccoleri, David P. Chase, Robert L. York, Paul Huy Nguyen
  • FRESNEL LENS WITH LIGHT-SCATTERING PREVENTIVE FEATURE
    Publication number: 20150138654
    Abstract: A Fresnel lens including a plurality of sawtooth-shaped projections, with each projection including a first surface at a first angle and a second surface at a second angle. Each first surface has top and bottom edges and each second surface has top and bottom edges. Each projection has a top intersection where the top edge of the first surface intersects the top edge of the second surface. Adjacent projections have a bottom intersection where the bottom edge of the second surface of a first one of the adjacent projections intersects the bottom edge of the first surface of a second one of the adjacent projections. The lens portion is opaque at the top intersection of the projections, at the bottom intersection of adjacent projections, and on the first surface between the top intersection and the bottom intersection.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 21, 2015
    Inventors: Gianni R. BOCCOLERI, David P. CHASE, Robert L. YORK, Paul Huy NGUYEN
  • Display screen or portion thereof with a graphical user interface
    Patent number: D968460
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: November 1, 2022
    Assignee: Stryker Corporation
    Inventors: Paul Huy Nguyen, Robert Lee York, Heather Michelle Bartlett
  • Display screen or portion thereof with a graphical user interface
    Patent number: D968461
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: November 1, 2022
    Assignee: Stryker Corporation
    Inventors: Paul Huy Nguyen, Robert Lee York, Heather Michelle Bartlett