Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D772748 | Door chime | Christopher Parker, Felix Haeffner, Iphin Rangson | 2016-11-29 |
| D772749 | Door chime | Christopher Parker, Felix Haeffner, Iphin Rangson | 2016-11-29 |
| D770318 | Door chime | Christopher Parker, Felix Haeffner, Iphin Rangson | 2016-11-01 |
| D769759 | Door chime with illumination | Christopher Parker, Felix Haeffner, Iphin Rangson | 2016-10-25 |