Helkey; Roger J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Helkey; Roger J..The latest application filed is for "wavelength power equalization by attenuation in an optical switch".

Company Profile

0.8.5

Helkey; Roger J. - Montecito CA
Helkey; Roger J. - Webster MA
Helkey; Roger J. - Goleta CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Wavelength power equalization by attenuation in an optical switch App 20070031105 - Walter; Tony ; et al.	2007-02-08
Wavelength power equalization by attenuation in an optical switch Grant 7,142,744 - Walter , et al. November 28, 2	2006-11-28
Method and apparatus for monitoring optical switches Grant 6,950,215 - Fant , et al. September 27, 2	2005-09-27
Wavelength power equalization by attenuation in an optical switch App 20050152637 - Walter, Tony ; et al.	2005-07-14
Method and apparatus for indirect adjustment of optical switch reflectors Grant 6,819,815 - Corbalis , et al. November 16, 2	2004-11-16
Wavelength power equalization by attenuation in an optical switch App 20040120636 - Walter, Tony ; et al.	2004-06-24
Wavelength power equalization by attenuation in an optical switch Grant 6,697,547 - Walter , et al. February 24, 2	2004-02-24
Method and apparatus for monitoring optical switches App 20030012481 - Fant, Walt ; et al.	2003-01-16
Wavelength power equalization by attenuation in an optical switch App 20020168131 - Walter, Tony ; et al.	2002-11-14
Generation of high power optical pulses using flared mode-locked semiconductor lasers and optical amplifiers Grant 5,799,024 - Bowers , et al. August 25, 1	1998-08-25
Global positioning system receiver digital processing technique Grant 5,293,170 - Lorenz , et al. * March 8, 1	1994-03-08
Global positioning system receiver digital processing technique Grant 5,134,407 - Lorenz , et al. July 28, 1	1992-07-28
Global positioning system receiver with improved radio frequency and digital processing Grant 4,928,106 - Ashjaee , et al. May 22, 1	1990-05-22

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