Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704914 | Chain breakdown safety device for a power-driven roller door | — | 1987-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704914 | Chain breakdown safety device for a power-driven roller door | — | 1987-11-10 |