Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9697723 | Illuminated doorbell touch pad system | Donald J. Ladanyi | 2017-07-04 |
| 9282665 | Illuminated doorbell chime system | Donald J. Ladanyi | 2016-03-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9697723 | Illuminated doorbell touch pad system | Donald J. Ladanyi | 2017-07-04 |
| 9282665 | Illuminated doorbell chime system | Donald J. Ladanyi | 2016-03-08 |