Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668235 | Spreader with flipper arm drive | ZhanMin Tong, Ghee Hua Ng | 2014-03-11 |
| 8469420 | Spreader spacing device | Qifan Bao, Ghee Hua Ng, Zhan Min Tong | 2013-06-25 |
| 8251417 | Detection frame for a lifting device | — | 2012-08-28 |
| 8226136 | Method and apparatus for effecting relative movement of containers | Ghee Hua Ng, ZhanMin Tong | 2012-07-24 |
| 7861872 | Trolley and spreader assembly | Ghee Hua Ng | 2011-01-04 |
| 6863325 | Lifting device | — | 2005-03-08 |
| 4470471 | Weighing apparatus | — | 1984-09-11 |