Patents by Inventor Steven E. Koch

Steven E. Koch 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).

  • Park bench
    Patent number: D812924
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: March 20, 2018
    Assignee: Columbia Cascade Company
    Inventors: Steven K. Kirn, Steven E. Koch
  • Park bench
    Patent number: D880879
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: April 14, 2020
    Assignee: COLUMBIA CASCADE COMPANY
    Inventors: Steven K. Kirn, Steven E. Koch