DW

David M. Walker

CD Control Data: 5 patents #2 of 192Top 2%
AT Agilent Technologies: 1 patents #1,723 of 3,411Top 55%
FG Federal-Mogul Ignition Gmbh: 1 patents #45 of 92Top 50%
HL Hughes Microelectronics Limited: 1 patents #7 of 17Top 45%
Overall (All Time): #576,300 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8680758 Spark plug having a plastic upper insulator and method of construction Kevin L. Miller, Richard L. Keller, William J. Walker, Jr., James D. Lykowski, Shuwei Ma +7 more 2014-03-25
6775646 Excitation signal and radial basis function methods for use in extraction of nonlinear black-box behavioral models Nicholas Tufillaro 2004-08-10
5678734 Instant hot water dispenser 1997-10-21
4667108 Impedance matched and thermally cooled deflection amplifiers for charged particle beam apparatus employing deflectors Alan P. Sliski 1987-05-19
4665315 Method and apparatus for in-situ plasma cleaning of electron beam optical systems Lawrence F. Bacchetti, Donald O. Smith 1987-05-12
4661709 Modular all-electrostatic electron-optical column and assembly of said columns into an array and method of manufacture Alan P. Sliski, Kenneth J. Harte, John J. Carrona 1987-04-28
4661203 Low defect etching of patterns using plasma-stencil mask Donald O. Smith, John Robert Burgess 1987-04-28
4419580 Electron beam array alignment means John J. Carrona 1983-12-06
4262644 Spark timing control circuit for controlling the timing of spark ignition of an internal combustion engine Alastair K. Stevenson 1981-04-21