Drury; David Markham

Patent Applications and Registrations

Patent applications and USPTO patent grants for Drury; David Markham.The latest application filed is for "system architecture for an optical switch using wavelength, fiber and polarizaton addressing".

Company Profile

0.7.18

Drury; David Markham - Pittsburgh PA US

*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
System architecture for an optical switch using wavelength, fiber and polarizaton addressing Grant 8,902,488 - Graham , et al. December 2, 2	2014-12-02
Optical network systems and methods for operating same Grant 8,824,897 - Drury September 2, 2	2014-09-02
System Architecture For An Optical Switch Using Wavelength, Fiber And Polarizaton Addressing App 20140002885 - Graham; David Jeffrey ; et al.	2014-01-02
Systems And Methods For Implementing Optical Media Access Control App 20130266315 - Drury; David Markham ; et al.	2013-10-10
System Architecture For Optical Switch Using Wavelength Division Multiplexing App 20130209100 - Drury; David Markham ; et al.	2013-08-15
Switch With Optical Uplink for Implementing Wavelength Division Multiplexing Networks App 20130101289 - Graham; David Jeffrey ; et al.	2013-04-25
Optical Interface Device for Wavelength Division Multiplexing Networks App 20130101287 - Graham; David Jeffrey ; et al.	2013-04-25
Optical Switch for Networks Using Wavelength Division Multiplexing App 20130101288 - Graham; David Jeffrey ; et al.	2013-04-25
Optical Switch For Implementing Wave Division Multiplexing Networks App 20120219292 - Graham; David Jeffrey ; et al.	2012-08-30
Method and system for interconnecting end systems over an optical network Grant 7,751,709 - Drury , et al. July 6, 2	2010-07-06
Optical Network Systems And Methods For Operating Same App 20090304383 - Drury; David Markham	2009-12-10
Videophone and method for a video call App 20080273079 - Campbell; Robert Craig ; et al.	2008-11-06
Videophone and method for a video call Grant 7,404,001 - Campbell , et al. July 22, 2	2008-07-22
Videophone and method for a video call App 20070186002 - Campbell; Robert Craig ; et al.	2007-08-09
Method and apparatus for displaying images in combination with taking images Grant 7,196,728 - Campbell , et al. March 27, 2	2007-03-27
Method and system for interconnecting end systems over an optical network App 20060159455 - Drury; David Markham ; et al.	2006-07-20
Method and apparatus for displaying images in combination with taking images App 20030193599 - Campbell, Robert Craig ; et al.	2003-10-16

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.