Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881133 | Method for correcting communications errors when communicating with a voice response unit over a cellular telephone network | Frederick W. Ryan, Jr. | 1999-03-09 |
FD
Frank M. D'lppolito
Overall (All Time): #3,644,211 of 4,157,543Top 90%
1
Patents All Time