Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142744 | Wavelength power equalization by attenuation in an optical switch | Dan Blumenthal, John E. Bowers, Peter Hunt, Roger Helkey, Xuezhe Zheng | 2006-11-28 |
| 6950215 | Method and apparatus for monitoring optical switches | Walt Joseph Fant, Roger Helkey, Peter Hunt, David E. Welsh | 2005-09-27 |
| 6697547 | Wavelength power equalization by attenuation in an optical switch | Dan Blumenthal, John E. Bowers, Peter Hunt, Roger Helkey, Xuezhe Zheng | 2004-02-24 |
| 6668108 | Optical cross-connect switch with integrated optical signal tap | Roger Helkey, John E. Bowers, Kevin S. Yamada, David E. Welsh | 2003-12-23 |
| 6318615 | Internal combustion powered tool | — | 2001-11-20 |
| 6311887 | Internal combustion powered tool | — | 2001-11-06 |
| 6123241 | Internal combustion powered tool | J. Oscar Aparicio, Jr. | 2000-09-26 |
| 5873508 | Internal combustion powered tool | Robert T. MacVicar, J. Oscar Aparicio, Jr., John Walter, Anton J. Walter | 1999-02-23 |