Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7639697 | Facilitating digital subscriber line services via a subscriber premise network interface device | Richard M. Czerwiec, Richard H. Bailey, Richard R. Rzonca, Randall B. Sharpe, Joseph E. Sutherland | 2009-12-29 |
| 7274669 | Facilitating digital subscriber line services via a subscriber premise network interface device | Richard M. Czerwiec, Richard H. Bailey, Richard R. Rzonca, Randall B. Sharpe, Joseph E. Sutherland | 2007-09-25 |
| 5267309 | Telephone line unit having programmable read-only memory | Richard R. Rzonca, Richard M. Czerwiec, Claude M. Hurlocker, Benjamin M. Rice, Michael J. Gingell | 1993-11-30 |
| 5185736 | Synchronous optical transmission system | Raymond E. Tyrrell, O. Lamar Bishop, William E. Powell, Dale L. Krisher, William H. Stephenson, Jr. +28 more | 1993-02-09 |
| 5161152 | High-speed synchronous transmission line access terminal | Richard M. Czerwiec, Raymond E. Tyrrell, Joseph E. Sutherland, Richard J. Sanders, Jr., Claude M. Hurlocker +3 more | 1992-11-03 |