Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548117 | Positioning structure of clamp | — | 2023-01-10 |
| 11253975 | Clamp | — | 2022-02-22 |
| 9328751 | Effort-saving clamp structure | — | 2016-05-03 |
| 8702077 | Quick clamp | — | 2014-04-22 |
| 5482675 | Cast steel composition for railway components | Hugh V. Shotwell, Earl K. Weber | 1996-01-09 |