Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307273 | Apparatus and method for recognizing carpets and stairs by cleaning robot | Jin Seong Hwang | 1994-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307273 | Apparatus and method for recognizing carpets and stairs by cleaning robot | Jin Seong Hwang | 1994-04-26 |