Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262176 | Roller shutter safety device | William Henry Steele, by Marie-Therese Annis-Brown, legal representative | 1981-04-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262176 | Roller shutter safety device | William Henry Steele, by Marie-Therese Annis-Brown, legal representative | 1981-04-14 |