Patents by Inventor Nathan Casteel

Nathan Casteel 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).

  • Safety controller
    Patent number: D904986
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: December 15, 2020
    Assignee: BANNER ENGINEERING CORP
    Inventors: John Klesk, Matthew Gelineau, Bruce Becker, Calvin Sargent, Bill Rust, Nathan Casteel, Dean Erickson