Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287193 | Dustproof counter device of measuring wheel | — | 2025-04-29 |
| 12130154 | Automatic electronic rangefinder | — | 2024-10-29 |
| 10113849 | Wheeled distance measuring device | — | 2018-10-30 |
| 9964390 | Standable surveyor wheel | — | 2018-05-08 |
| 9726760 | Dual-directional laser rangefinder | — | 2017-08-08 |
| 9696516 | Vehicle repair hand tool | — | 2017-07-04 |
| 8572861 | Pivotal measuring wheel | — | 2013-11-05 |
| 8573795 | Warning lamp and walking stick having the same | — | 2013-11-05 |
| 8522448 | Measuring wheel | — | 2013-09-03 |