Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D822936 | Handle of a barrow | Cheng-Chiang Yang | 2018-07-10 |
| 9358994 | Folding hand truck | Cheng-Chiang Yang | 2016-06-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D822936 | Handle of a barrow | Cheng-Chiang Yang | 2018-07-10 |
| 9358994 | Folding hand truck | Cheng-Chiang Yang | 2016-06-07 |