Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7861461 | Method for automatically opening door and device for automatically opening and closing door | — | 2011-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7861461 | Method for automatically opening door and device for automatically opening and closing door | — | 2011-01-04 |