DR

David Herbert Roach

EA E.I. Du Pont De Nemours And: 16 patents #357 of 8,010Top 5%
📍 Hockessin, DE: #58 of 555 inventorsTop 15%
🗺 Delaware: #505 of 7,163 inventorsTop 8%
Overall (All Time): #276,199 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
9284459 Process for forming an electrically conductive structure on a substrate Zhigang Li, Kurt Richard Mikeska, Carmine Torardi, Paul Douglas Vernooy 2016-03-15
9236161 Conductive paste composition and semiconductor devices made therewith Kurt Richard Mikeska, Carmine Torardi, Paul Douglas Vernooy 2016-01-12
8900488 Conductive paste composition and semiconductor devices made therewith Zhigang Li, Kurt Richard Mikeska, Carmine Torardi, Paul Douglas Vernooy 2014-12-02
8529798 Process for improving the emission of electron field emitters Robert Joseph Bouchard, Lap-Tap Andrew Cheng, John Gerard Lavin 2013-09-10
8309223 Polyimide based purge media and methods relating thereto 2012-11-13
8298449 Dielectric composition with reduced resistance Robert Joseph Bouchard, Lap-Tak Andrew Cheng, Kenneth Warren Hang 2012-10-30
8076834 Field emission device with protecting vapor Adam Fennimore 2011-12-13
8070906 Process for improving the emission of electron field emitters Robert Joseph Bouchard, Lap-Tak Andrew Cheng, John Gerard Lavin 2011-12-06
8011990 Process for improving the emission of electron field emitters Robert Joseph Bouchard, Lap-Tak Andrew Cheng 2011-09-06
7750544 Electron emitter composition made of an electron emitting substance and an expansion material for expansion of the electron emitting substance Lap-Tak Andrew Cheng 2010-07-06
7476340 Composition containing alloyed nanophene moieties 2009-01-13
7449081 Process for improving the emission of electron field emitters Robert Joseph Bouchard, Lap-Tak Andrew Cheng, John Gerard Lavin 2008-11-11
7449082 Process for improving the emissions of electron field emitters 2008-11-11
7317277 Electron field emitter and compositions related thereto Lap-Tak Andrew Cheng 2008-01-08
7276844 Process for improving the emission of electron field emitters Robert Joseph Bouchard, Lap-Tak Andrew Cheng, John Gerald Lavin 2007-10-02
6475412 Process for making polyurethaneurea powder 2002-11-05
5879596 Low temperature process for making polyurethaneureas 1999-03-09