Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414578 | Task light | Perry S. Dotterman, Kenneth J. Kirchhoff, Lawrence J. Fenske, Michael J. Brock | 1999-09-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414578 | Task light | Perry S. Dotterman, Kenneth J. Kirchhoff, Lawrence J. Fenske, Michael J. Brock | 1999-09-28 |