Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494899 | Pipe trough for transporting pipe between upper and lower positions | Tan Nhat HOANG | 1985-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494899 | Pipe trough for transporting pipe between upper and lower positions | Tan Nhat HOANG | 1985-01-22 |