Patents by Inventor Stephen P. Griffin

Stephen P. Griffin 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).

  • Ultraviolet C light guides
    Patent number: 11940651
    Abstract: A light guide comprising a polymeric layer at least 25 percent transmissive over at least a 30 nm bandwidth in a wavelength range from 180 to 280 nm over a distance of at least 100 micrometers and visible light transparent reflecting layers (UV-C mirror) that are at least 50 percent reflective over at least 30 nm bandwidth in a wavelength range from 180 to 280 nm over an incident light angle of 0 to 90 degrees and that are at least 25 percent transmissive of visible light over at least 30 nm bandwidth in a wavelength range of 400 to 800 nm over an incident light angle of 0 to 90 degrees. The light guide is useful, for example, for antimicrobial surfaces.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: March 26, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Timothy J. Hebrink, Stephen P. Maki, Michael E. Griffin, Anna C. Hamlin, Justin M. Mazzoni, Christopher A. Merton, Matthew T. Scholz
  • PHYSICAL ACTIVITY USER INTERFACES
    Publication number: 20240077309
    Abstract: The present disclosure generally relates to displaying information related to a physical activity. In some embodiments, methods and user interfaces for managing the display of information related to a physical activity are described.
    Type: Application
    Filed: January 12, 2023
    Publication date: March 7, 2024
    Inventors: Nicholas D. FELTON, James B. CARY, Edward CHAO, Kevin W. CHEN, Christopher P. FOSS, Eamon F. GILRAVI, Austen J. GREEN, Bradley W. GRIFFIN, Anders K. HAGLUNDS, Lori HYLAN-CHO, Stephen P. JACKSON, Matthew S. KOONCE, Paul T. NIXON, Robert M. PEARSON
  • Food pan guide
    Patent number: 8763823
    Abstract: A pan guide for use in a food storage apparatus is provided. The pan guide has at least two levels for supporting food storage pans. The levels can be removable. This allows for easy movement of the food pans, to accommodate for temperature changes in the vicinity of the food storage apparatus. Dividers for separating the food pans are also provided, which can connect to the pan guide.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: July 1, 2014
    Assignee: The Delfield Company LLC
    Inventors: Charles L. Eaves, Jr., Stephen P. Griffin, Richard A. Seiss, Stephen R. Willoughby, Nick R. Derry
  • FOOD PAN GUIDE
    Publication number: 20120248957
    Abstract: A pan guide for use in a food storage apparatus is provided. The pan guide has at least two levels for supporting food storage pans. The levels can be removable. This allows for easy movement of the food pans, to accommodate for temperature changes in the vicinity of the food storage apparatus. Dividers for separating the food pans are also provided, which can connect to the pan guide.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Inventors: CHARLES L. EAVES, JR., Stephen P. Griffin, Richard A. Seiss, Stephen R. Willoughby, Nick R. Derry