Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631925 | Bubble level and apparatus containing a bubble level | Changlin Wang, Fanfeng Zu, Xiping Sheng, Bing-Jie He | 2017-04-25 |
| D526919 | Balance with removable second display | Yves Marmier, Matthias Gietenbruch, Karl Bertsch | 2006-08-22 |