Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059985 | Configurable leverage bit driver handle | Zheng Huang | 2025-02-04 |
| D1039348 | Bit driver tool | Zheng Huang | 2024-08-20 |
| D1009586 | Multi-function tool | Zheng Huang | 2024-01-02 |
| 11807031 | Operating mechanism for writing implement | Zheng Huang | 2023-11-07 |
| D999607 | Bit driver tool | Zheng Huang | 2023-09-26 |
| 11535049 | Bolt action pen with refill adapter and reversable pocket clip | Zheng Huang | 2022-12-27 |
| 10836203 | Refill friendly pen body | Zheng Huang | 2020-11-17 |
| D869930 | Multi-purpose tool | Zheng Huang | 2019-12-17 |
| 10486298 | Multi-bit screwdriver | Zheng Huang | 2019-11-26 |
| D804165 | Key ring screwdriver | — | 2017-12-05 |