Patents by Inventor S. Kenneth Kirn

S. Kenneth Kirn 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).

  • Seat with armrests
    Patent number: D369914
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: May 21, 1996
    Assignee: Columbia Cascade Company
    Inventors: S. Kenneth Kirn, Michael B. Fox
  • Bench with armrests
    Patent number: D369922
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: May 21, 1996
    Assignee: Columbia Cascade Company
    Inventors: S. Kenneth Kirn, Michael B. Fox
  • Litter container
    Patent number: D371657
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: July 9, 1996
    Assignee: Columbia Cascade Company
    Inventors: S. Kenneth Kirn, Michael B. Fox
  • Litter container
    Patent number: D384462
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: September 30, 1997
    Assignee: Columbia Cascade Corporation
    Inventors: Michael B. Fox, S. Kenneth Kirn
  • Play tunnel
    Patent number: D413370
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: August 31, 1999
    Assignee: Columbia Cascade Company
    Inventors: S. Kenneth Kirn, Michael B. Fox