Patents by Inventor Stephen Joseph Gwin

Stephen Joseph 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).

  • Blow dryer
    Patent number: D810356
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: February 13, 2018
    Assignee: DryBar Holdings LLC
    Inventors: David T. Janowick, Stephen Joseph Gwin
  • Blow dryer
    Patent number: D865284
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: October 29, 2019
    Assignee: Drybar Holdings LLC
    Inventors: David T. Janowick, Stephen Joseph Gwin
  • Straightening brush
    Patent number: D889129
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: July 7, 2020
    Assignee: Helen of Troy Limited
    Inventors: David T. Janowick, Jane Yoojung Moon, Stephen Joseph Gwin
  • Straightening brush
    Patent number: D895972
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: September 15, 2020
    Assignee: Helen of Troy Limited
    Inventors: David T. Janowick, Jane Yoojung Moon, Stephen Joseph Gwin
  • Blow dry brush
    Patent number: D915775
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: April 13, 2021
    Assignee: Helen of Troy Limited
    Inventors: Jane Yoojung Moon, David T. Janowick, Stephen Joseph Gwin