DW

David B. Wittry

UC University Of Southern California: 3 patents #277 of 1,826Top 20%
RI Rockwell International: 2 patents #464 of 2,155Top 25%
NASA: 1 patents #1,418 of 3,881Top 40%
🗺 California: #37,514 of 386,348 inventorsTop 10%
Overall (All Time): #302,627 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
6498830 Method and apparatus for fabricating curved crystal x-ray optics 2002-12-24
6236710 Curved crystal x-ray optical device and method of fabrication 2001-05-22
5892809 Simplified system for local excitation by monochromatic x-rays 1999-04-06
5685269 High speed rotary engine and ignition system 1997-11-11
5622149 High-power rotary engine with varaiable compression ratio 1997-04-22
5546815 Digital wind-speed meter 1996-08-20
5537973 Rotary engine with glow ignition system 1996-07-23
5433179 Rotary engine with variable compression ratio 1995-07-18
5127028 Diffractord with doubly curved surface steps 1992-06-30
4882780 Scanning monochromator crystal and related method 1989-11-21
4847502 Dual cathode system for electron beam instruments James G. Bradley, Joseph M. Conley 1989-07-11
4807268 Scanning monochrometer crystal and method of formation 1989-02-21
4599741 System for local X-ray excitation by monochromatic X-rays 1986-07-08
4199383 Method of making a photovoltaic cell employing a PbO-SnO heterojunction 1980-04-22
4194123 Lithographic apparatus 1980-03-18
4194233 Mask apparatus for fine-line lithography Addison B. Jones 1980-03-18