Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961333 | Call waiting feature for a telephone line connected to the internet | Thomas L. Russell, Jr. | 2005-11-01 |
| 6842448 | Call waiting feature for a telephone line connected to the internet | Thomas L. Russell, Jr. | 2005-01-11 |
| 6353611 | Call waiting feature for a telephone line connected to the internet | Thomas L. Russell, Jr. | 2002-03-05 |
| 5805587 | Call notification feature for a telephone line connected to the internet | Thomas L. Russell, Jr. | 1998-09-08 |
| 4461554 | Self-reeling cassette driven by the motion of an inserted web | Otto C. Selden | 1984-07-24 |