Lewellen; John W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lewellen; John W..The latest application filed is for "field emission devices".

Company Profile

0.12.10

Lewellen; John W. - Albuquerque NM
Lewellen; John W. - Willowbrook IL
Lewellen; John W. - Plainfield IL
Lewellen; John W. - San Jose 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
Field Emission Devices App 20220068584 - Connelly; Joseph M. ; et al.	2022-03-03
Tubular RF cage field confinement cavity Grant 7,760,054 - Lewellen , et al. July 20, 2	2010-07-20
Polarized pulsed front-end beam source for electron microscope Grant 7,573,053 - Lewellen , et al. August 11, 2	2009-08-11
Field emission cathode gating for RF electron guns and planar focusing cathodes Grant 7,394,201 - Lewellen , et al. July 1, 2	2008-07-01
Tubular Rf Cage Field Confinement Cavity App 20080042784 - Lewellen; John W. ; et al.	2008-02-21
Laparoscopic tumor therapy using high energy electron irradiation Grant 7,312,461 - Lewellen , et al. December 25, 2	2007-12-25
Polarized Pulsed Front-end Beam Source For Electron Microscope App 20070228286 - Lewellen; John W. ; et al.	2007-10-04
High power, long focus electron source for beam processing Grant 7,250,727 - Lewellen , et al. July 31, 2	2007-07-31
Laparoscopic tumor therapy using high energy electron irradiation App 20060060793 - Lewellen; John W. ; et al.	2006-03-23
High power, long focus electron source for beam processing App 20060061285 - Lewellen; John W. ; et al.	2006-03-23
Compact system and method for the production of long-wavelength, electromagnetic radiation extending over the terahertz regime App 20060039417 - Biedron; Sandra Gail ; et al.	2006-02-23
Field emission cathode gating for RF electron guns and planar focusing cathodes App 20060022598 - Lewellen; John W. ; et al.	2006-02-02
Field emission cathode gating for RF electron guns and planar focusing cathodes Grant 6,987,361 - Lewellen , et al. January 17, 2	2006-01-17
Field Emission Cathode Gating For Rf Electron Guns And Planar Focusing Cathodes App 20060006807 - Lewellen; John W. ; et al.	2006-01-12
Environment exchange control for material on a wafer surface Grant 6,911,091 - Gurer , et al. June 28, 2	2005-06-28
Environment exchange control for material on a wafer surface Grant 6,844,027 - Gurer , et al. January 18, 2	2005-01-18
Environment exchange control for material on a wafer surface Grant 6,780,461 - Gurer , et al. August 24, 2	2004-08-24
Method for two dimensional adaptive process control of critical dimensions during spin coating process Grant 6,662,466 - Gurer , et al. December 16, 2	2003-12-16
Environment exchange control for material on a wafer surface App 20030010289 - Gurer, Emir ; et al.	2003-01-16
Method for two dimensional adaptive process control of critical dimensions during spin coating process App 20020112370 - Gurer, Emir ; et al.	2002-08-22
Method for two dimensional adaptive process control of critical dimensions during spin coating process Grant 6,327,793 - Gurer , et al. December 11, 2	2001-12-11
Environment exchange control for material on a wafer surface Grant 6,254,936 - Gurer , et al. July 3, 2	2001-07-03

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