Patents by Inventor Roger Howell

Roger Howell 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).

  • Patent number: D694233
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: November 26, 2013
    Assignee: Fluke Corporation
    Inventors: Wayne Hoofnagle, Roger Howell
  • Patent number: D821235
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: June 26, 2018
    Assignee: Fluke Corporation
    Inventors: Roger Howell, Scott Tsukamaki, Wayne S. Hoofnagle
  • Patent number: D862258
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: October 8, 2019
    Assignee: Fluke Corporation
    Inventors: Roger Howell, Scott Tsukamaki, Wayne S. Hoofnagle
  • Patent number: D921087
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 1, 2021
    Assignee: Fluke Corporation
    Inventors: Scott Tsukamaki, Wayne S. Hoofnagle, Roger Howell