Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843454 | Method of assembling a wrist rest | Robert Wolf, Wayne K. Darvell, Kenneth J. Kirchhoff | 2005-01-18 |
| 6626403 | Wrist rest assembly | Robert Wolf, Wayne K. Darvell, Kenneth J. Kirchhoff | 2003-09-30 |
| 6494418 | Wrist rest assembly | Robert Wolf, Wayne K. Darvell, Kenneth J. Kirchhoff | 2002-12-17 |
| 5713544 | Wrist rest assembly | Robert Wolf, Wayne K. Darvell, Kenneth J. Kirchhoff | 1998-02-03 |
| 5671557 | Notice assembly | Bruce W. Carlson, Tanya M. Laine, Mary K. Miller-Bruns, Kenneth J. Kirchhoff | 1997-09-30 |
| 5283091 | Tape flag with transparent boundary indicating coating | Wayne K. Darvell, Karyn A. Roszak | 1994-02-01 |