Patents by Inventor Noel R. Halverson

Noel R. Halverson 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).

  • Ceiling panel hold down clip
    Patent number: D421897
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: March 28, 2000
    Assignee: Keel Manufacturing, Inc.
    Inventors: Don M. Washecheck, Noel R. Halverson, Michael J. Wolfe
  • Ceiling grid wall clip
    Patent number: D422486
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: April 11, 2000
    Assignee: Keel Manufacturing, Inc.
    Inventors: Michael J. Wolfe, Don M. Washecheck, Noel R. Halverson