Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12233523 | Power tool with multiple modes of operation and ergonomic handgrip | Ross A. Billings, Michael Allen, Sona R. MATHEW, Michael Sikora, Curtiss Morton +5 more | 2025-02-25 |
| 11673241 | Nosepiece and magazine for power screwdriver | James D. Hays, John P. Zellinger, Rex A. Marshall, Jr., Joseph P. Kelleher, John K. Horky | 2023-06-13 |
| 10406661 | Nosepiece and magazine for power screwdriver | James D. Hays, John P. Zellinger, Rex A. Marshall, Jr., Joseph P. Kelleher, John K. Horky | 2019-09-10 |
| 9616557 | Nosepiece and magazine for power screwdriver | James D. Hays, John P. Zellinger, Rex A. Marshall, Jr., Joseph P. Kelleher, John K. Horky | 2017-04-11 |