Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6529303 | Optical communications networks utilizing frequency division multiplexing | Michael W. Rowan, David B. Upham, Augustus Elmer, Laurence J. Newell, David Pechner +6 more | 2003-03-04 |
| 6452945 | Electrical add-drop multiplexing for optical communications networks utilizing frequency division multiplexing | David B. Upham, Augustus Elmer, Laurence J. Newell, David Pechner, Michael W. Rowan +3 more | 2002-09-17 |
| 6204951 | Electro-optic modulator with improved harmonic performance | James F. Coward, Ting K. Yee, Peter Chang | 2001-03-20 |
| 6073085 | System for automatically testing an electronic device during quiescent periods | Robert A. Wiley, D. Craig Edwards | 2000-06-06 |
| 6046838 | Automatic bias control for electro-optic modulators | Ting K. Yee, Norman L. Swenson | 2000-04-04 |
| 5640078 | Method and apparatus for automatically switching and charging multiple batteries | Robert A. Wiley | 1997-06-17 |
| 5579234 | System for automatically testing an electronic device during quiescent periods | Robert A. Wiley | 1996-11-26 |
| 4867152 | Respiratory therapy apparatus with selective display of parameter set points | Robin Roehl, Gerhardt P. Schroeder | 1989-09-19 |
| 4452090 | Ultrasonic flowmeter | Michael Busby, Errol E. Polenske, Wilfried R. Peickert | 1984-06-05 |