Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839035 | Magnetically coupled antenna range extender | Louis Addonisio | 2005-01-04 |
| 5790268 | FM broadcast fax system | — | 1998-08-04 |
| 5748074 | Electronic door chime | — | 1998-05-05 |
| 4916737 | Secure anti-piracy encoded television system and method | George Sintchak | 1990-04-10 |
| 4645873 | Transactional telecommunication system | — | 1987-02-24 |
| 4623918 | Pay television system utilizing multi-frequency passive filters | — | 1986-11-18 |