Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640196 | Method and apparatus for facilitating two way oral communications utilizing a television cable system | Ralph Behrens, James M. Williams | 1997-06-17 |
JB
Jonas Butvila
Overall (1997): #130,289 of 185,788Top 75%
1
Patents 1997