Patents by Inventor Robert Leland Wee Smithson

Robert Leland Wee Smithson 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).

  • Method of and system for building up a dental object
    Patent number: 11071607
    Abstract: A method of building up a dental object includes steps of (i) determining the three-dimensional shape of the object; (ii) mixing at least a first and a second component to form a hardenable composition; (iii) depositing the hardenable composition through a nozzle; (iv) performing steps (ii) and (iii) in combination with moving the nozzle by computer control based on said data. The invention helps providing an object like a dental restoration at maximized geometric and optical quality.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: July 27, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Helmar B. Mayr, Malte Korten, Carsten Franke, Robert Leland Wee Smithson
  • Irradiation marking of retroreflective sheeting
    Patent number: 10509148
    Abstract: A method of marking prismatic retroreflective sheeting includes providing prismatic retroreflective sheeting having a front side and a back side, the back side having prismatic features and directing a radiation source at the back side of the prismatic retroreflective sheeting and irradiating a plurality of the prismatic features. The radiation forms a mark in the prismatic retroreflective sheeting.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: December 17, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Bruce D. Orensteen, Robert Leland Wee Smithson
  • IRRADIATION MARKING OF RETROREFLECTIVE SHEETING
    Publication number: 20190011613
    Abstract: A method of marking prismatic retroreflective sheeting includes providing prismatic retroreflective sheeting having a front side and a back side, the back side having prismatic features and directing a radiation source at the back side of the prismatic retroreflective sheeting and irradiating a plurality of the prismatic features. The radiation forms a mark in the prismatic retroreflective sheeting.
    Type: Application
    Filed: August 23, 2018
    Publication date: January 10, 2019
    Inventors: Bruce D. Orensteen, Robert Leland Wee Smithson
  • METHOD OF AND SYSTEM FOR BUILDING UP A DENTAL OBJECT
    Publication number: 20180325635
    Abstract: A method of building up a dental object includes steps of (i) determining the three-dimensional shape of the object; (ii) mixing at least a first and a second component to form a hardenable composition; (iii) depositing the hardenable composition through a nozzle; (iv) performing steps (ii) and (iii) in combination with moving the nozzle by computer control based on said data. The invention helps providing an object like a dental restoration at maximized geometric and optical quality.
    Type: Application
    Filed: November 9, 2016
    Publication date: November 15, 2018
    Inventors: Helmar B. Mayr, Malte Korten, Carsten Franke, Robert Leland Wee Smithson
  • Optical fiber or waveguide lens
    Patent number: 6822190
    Abstract: Method of making a lens on an optical fiber or waveguide using a femtosecond laser. The lens may be further smoothed by the application of heat.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: November 23, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Robert Leland Wee Smithson, Jeffrey Bruce Hill, Stephen Paul Le Blanc
  • Optical fiber or waveguide lens
    Publication number: 20040112877
    Abstract: Method of making a lens on an optical fiber or waveguide using a femtosecond laser. The lens may be further smoothed by the application of heat.
    Type: Application
    Filed: December 12, 2002
    Publication date: June 17, 2004
    Applicant: 3M Innovative Properties Company
    Inventors: Robert Leland Wee Smithson, Jeffrey Bruce Hill, Stephen Paul Le Blanc