Patents by Inventor Stephen Gwin

Stephen Gwin 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).

  • Straightening iron
    Patent number: D942682
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: February 1, 2022
    Assignee: Helen of Troy Limited
    Inventors: Jane Yoojung Moon, Dave Janowick, Stephen Gwin
  • Hair dryer
    Patent number: D943202
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: February 8, 2022
    Assignee: Helen of Troy Limited
    Inventors: Jane Yoojung Moon, Dave Janowick, Stephen Gwin
  • Hair drying brush
    Patent number: D979135
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: February 21, 2023
    Assignee: Helen of Troy Limited
    Inventors: David Janowick, Stephen Gwin, Jane Moon
  • Hair dryer paddle brush
    Patent number: D979253
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: February 28, 2023
    Assignee: Helen of Troy Limited
    Inventors: David Janowick, Stephen Gwin, Jane Moon
  • Hair dryer concentrator
    Patent number: D987181
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: May 23, 2023
    Assignee: Helen of Troy Limited
    Inventors: David Janowick, Stephen Gwin, Jane Moon
  • Blow dry brush
    Patent number: D1024578
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: April 30, 2024
    Assignee: Helen of Troy Limited
    Inventors: Jane Yoojung Moon, Dave Janowick, Stephen Gwin
  • Flat iron
    Patent number: D1028354
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: May 21, 2024
    Assignee: Helen of Troy Limited
    Inventors: Jane Yoojung Moon, Dave Janowick, Stephen Gwin
  • Hair dryer
    Patent number: D1030325
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: June 11, 2024
    Assignee: Helen of Troy Limited
    Inventors: Jane Yoojung Moon, Dave Janowick, Stephen Gwin
  • Combined blow dryer and hair iron
    Patent number: D1036771
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: July 23, 2024
    Assignee: Helen of Troy Limited
    Inventors: Jane Yoojung Moon, Dave Janowick, Stephen Gwin