Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406151 | Collapsible fixture for manufacture of tunnel tubes | Ole Simonsen, Hung-Kai CHAN | 1983-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406151 | Collapsible fixture for manufacture of tunnel tubes | Ole Simonsen, Hung-Kai CHAN | 1983-09-27 |