Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11866957 | Lock housing device and key structure | Albert Dennes, Junfeng Xu, Gregory Michael Ketterer | 2024-01-09 |
| 11845164 | Impact driver having inductor and internal mass | Albert Dennes, Junfeng Xu, Gregory Michael Ketterer | 2023-12-19 |