Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338989 | Light emitting assembly for a power tool | Brian E. Friedman, Joseph P. Kelleher, David Irwin, Richard Dizon, Michael Sikora +1 more | 2025-06-24 |
| 11964375 | Power tool with multispeed transmission | Robert S. Gehret, David C. Tomayko, Joseph P. Kelleher, Joseph C. BISER, Trevor J. Koenig | 2024-04-23 |
| 11878355 | Power tool chuck | Joseph P. Kelleher, William F. Gallagher, Louis Marvin Vasiliades, Trevor J. Koenig | 2024-01-23 |
| 11835217 | Light emitting assembly for a power tool | Brian E. Friedman, Joseph P. Kelleher, David Irwin, Richard Dizon, Michael Sikora +1 more | 2023-12-05 |