Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364335 | Concealable panel-engagement apparatus | Stephen J. Knight, III | 2025-07-22 |
| D1003332 | Optical device | Hua-Tang Liu, Chun-Guang Zhang | 2023-10-31 |
| D980725 | Rangefinder | Hua-Tang Liu, Xiao Zhang | 2023-03-14 |
| D957275 | Rangefinder | Hua-Tang Liu, Xin Lu | 2022-07-12 |
| D955242 | Rangefinder | Hua-Tang Liu, Yang Yu | 2022-06-21 |
| 10957980 | Antenna system and terminal | Jiarong Liu | 2021-03-23 |
| D611848 | Laser distance meter | Hua-Tang Liu, Sheng Luo | 2010-03-16 |
| D579805 | Laser ranging finder | Chao-Hung Chen, Hua-Tang Liu | 2008-11-04 |
| 7304727 | Laser distance-measuring device | Pie-Yau Chien, Hua-Tang Liu, Hui-Qing Chen, Shou-Qing Yang, Hai-Hua Chen +2 more | 2007-12-04 |
| 7300011 | Fishing reel having shock-absorbing function | — | 2007-11-27 |
| 7228635 | Laser tilt apparatus and the method thereof | Zhang Jian, Yue-Ye Chen, Yong-ce Qi, Yi-qi Li, Hua-Tang Liu | 2007-06-12 |
| D539680 | Laser distance meter | Hua-Tang Liu | 2007-04-03 |
| 6648257 | Extendible crank of fishing reel | — | 2003-11-18 |
| 6629658 | Fishing line winding device | — | 2003-10-07 |
| 6626384 | Control device for preventing spool of fishing reel from rotating | — | 2003-09-30 |
| 6581863 | Transmission structure of fishing reel | — | 2003-06-24 |
| 6581318 | Combination of fishing rod and reel | — | 2003-06-24 |
| D466580 | Reel device for fishing rods | — | 2002-12-03 |
| D460517 | Handle of fishing rod | — | 2002-07-16 |