Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6289152 | Multiple port, fiber optic coupling device | B. Barry Zhang | 2001-09-11 |
| 6246807 | Optical circulator | B. Barry Zhang | 2001-06-12 |
| 6167174 | Multiple port, fiber optic isolator | B. Barry Zhang | 2000-12-26 |
| 6154581 | Multiple port, fiber optic circulator | B. Barry Zhang | 2000-11-28 |
| 6142676 | Fiber connector and adaptor | — | 2000-11-07 |
| 6076973 | Fiber connector and adapter | — | 2000-06-20 |
| 5984531 | Fiber connector and adapter | — | 1999-11-16 |
| 5971625 | Double ferrule SC connector and adapter | — | 1999-10-26 |
| 5883995 | Fiber connector and adapter | — | 1999-03-16 |
| 5734769 | Optical fiber ferrule | — | 1998-03-31 |
| 5692080 | Double ferrule SC connector and adapter | — | 1997-11-25 |
| 5588087 | Overlapping fusion attenuator | David J. Emmons | 1996-12-24 |
| 5319733 | Variable fiber optical attenuator | David J. Emmons | 1994-06-07 |
| 5319728 | High return loss fixed attenuator | David J. Emmons, George B. Pfeffer | 1994-06-07 |
| 5305405 | Patch cord | David J. Emmons, James W. Conroy, George B. Pfeffer | 1994-04-19 |
| 5037176 | Optical switch with reduced reflection | Harold A. Roberts, Robert A. Eno, Calvin G. Nelson, David J. Emmons, Robert J. Ziebol | 1991-08-06 |