Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476508 | Valve assembly having improved rotational feel | David H. Ritter, Douglas J. Brouwer, Christopher M. Shay, Brian S. Core, Michael Walter Smith | 2016-10-25 |
| 9334971 | Universal valve body | Douglas J. Brouwer, Michael Walter Smith, Michael A. Niver | 2016-05-10 |