Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4301335 | Visual telephone or other annuciator ringing indicator | by Hedwig A. Jucker-Raths, heir, by Edith H. Benz-Jucker, heir, by Erich J. Jucker, heir, by Christina U. Uhlemann-Jucker, heir | 1981-11-17 |