Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D637099 | Door chime | Yong-Kong Khor | 2011-05-03 |
| D636286 | Bell push for a door chime | Yong-Kong Khor | 2011-04-19 |
| D636287 | Door chime | Yong-Kong Khor | 2011-04-19 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D637099 | Door chime | Yong-Kong Khor | 2011-05-03 |
| D636286 | Bell push for a door chime | Yong-Kong Khor | 2011-04-19 |
| D636287 | Door chime | Yong-Kong Khor | 2011-04-19 |