Patents by Inventor Steven Daniel Butler

Steven Daniel Butler 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).

  • Earplug
    Patent number: D697614
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: January 14, 2014
    Assignee: Bumble BE Holdings, LLC
    Inventors: Douglas Pick, Steven Daniel Butler
  • Earplug
    Patent number: D697615
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: January 14, 2014
    Assignee: Bumble BE Holdings, LLC
    Inventors: Douglas Pick, Steven Daniel Butler
  • Earplug
    Patent number: D731637
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: June 9, 2015
    Assignee: Bumble BE Holdings, LLC
    Inventors: Douglas Pick, Steven Daniel Butler
  • Earplug
    Patent number: D739518
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: September 22, 2015
    Assignee: Bumble BE Holdings, LLC
    Inventor: Steven Daniel Butler
  • Earplug
    Patent number: D745135
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: December 8, 2015
    Assignee: Bumble BE Holdings, LLC
    Inventor: Steven Daniel Butler