Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10046406 | Turning and thread-rolling machine with pre-compression device | — | 2018-08-14 |
| 9713863 | Automatic steel-bar coupling head making machine | — | 2017-07-25 |
| 7032286 | Method of making steel couplers for joining concrete reinforcing bars | — | 2006-04-25 |
| 6571452 | Method of making steel couplers for joining concrete reinforcing bars | — | 2003-06-03 |