Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7742703 | Characterization and control of optical dispersion compensating element | John A. Fee | 2010-06-22 |
| 7653002 | Real time monitoring of perceived quality of packet voice transmission | William Christopher Hardy | 2010-01-26 |
| 7580639 | Characterization and control of optical dispersion compensating element | John A. Fee | 2009-08-25 |
| 7573984 | Systems and methods for providing emergency contact services | Shanyu Ger, Ayat Alihassan | 2009-08-11 |
| 7562861 | Systems and methods for controlling duct pressurization for cable installation | John A. Fee | 2009-07-21 |
| 6980736 | Verification of path integrity in optical switch network | John A. Fee | 2005-12-27 |
| 6697472 | System and method therefor of preventing fraud on pay phone credit/debit calling card authorization | David Jordan | 2004-02-24 |
| 6650842 | Optical link with reduced four-wave mixing | John A. Fee | 2003-11-18 |
| 6570682 | Fault isolation of an optical link by correlating PMD events with other measurements | Niall Robinson, Charles Mao | 2003-05-27 |
| 6469812 | Method and system for identifying undesired products of non-linear optical mixing | — | 2002-10-22 |
| 6404520 | Fault isolation of an optical link by correlating PMD events with other measurements | Niall Robinson, Charles Mao | 2002-06-11 |
| 6046722 | Method and system for enabling blind or visually impaired computer users to graphically select displayed elements | — | 2000-04-04 |
| 5956165 | Method and apparatus for updating subcarrier modulation in a communication network | John A. Fee | 1999-09-21 |
| 5953140 | Electrical domain improvement of optically filtered signals | — | 1999-09-14 |
| 5897614 | Method and apparatus for sibilant classification in a speech recognition system | — | 1999-04-27 |
| 5640557 | Method and system for processing logic blocks in a data processing system | — | 1997-06-17 |
| 5513311 | Method and system for creating logical connections in a data processing system | — | 1996-04-30 |
| 5448679 | Method and system for speech data compression and regeneration | — | 1995-09-05 |
| 5388993 | Method of and system for demonstrating a computer program | G. Michael Trowbridge, Cathy J. Cavendish, Robert J. Catino | 1995-02-14 |
| 5374924 | Computer user interface with stereo and filtered sound effects | — | 1994-12-20 |
| 5287102 | Method and system for enabling a blind computer user to locate icons in a graphical user interface | — | 1994-02-15 |
| 5223828 | Method and system for enabling a blind computer user to handle message boxes in a graphical user interface | — | 1993-06-29 |
| 5133011 | Method and apparatus for linear vocal control of cursor position | — | 1992-07-21 |
| 4915795 | Plated-through hole plugs for eliminating solder seepage | David Garms | 1990-04-10 |
| 4707579 | Real-time tail length monitor for wire bonding flame-off apparatus | — | 1987-11-17 |