Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D461022 | Task light | David C. Eberlein, Douglas D. Buyce, Michael W. Welsh, Jonathan J. King, Royal A. Kent | 2002-07-30 |
| 6386723 | Tasklight for workspaces and the like | David C. Eberlein, Douglas D. Buyce, Terry L. Lautzenheiser, Michael W. Welsh, Jonathan J. King +1 more | 2002-05-14 |
| D444262 | Task light | David C. Eberlein, Douglas D. Buyce, Michael W. Welsh, Jonathan J. King, Royal A. Kent | 2001-06-26 |