Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8648533 | Overmoded cavity bounded by first and second grids for providing electron beam/RF signal interaction that is transversely distributed across the cavity | Richard Donald Kowalczyk, Mark Frederick Kirshner | 2014-02-11 |
| 8330345 | Active electronically steered cathode emission | Mark Frederick Kirshner, Richard Donald Kowalczyk | 2012-12-11 |
| 8217577 | Hybrid modulation in an emission-gated electron gun | Mark Frederick Kirshner, Richard Donald Kowalczyk, Carter Michael Armstrong | 2012-07-10 |
| 8018158 | Method and apparatus for interaction with a modulated off-axis electron beam | Richard Donald Kowalczyk, Mark Frederick Kirshner, Chad Daniel Marchewka | 2011-09-13 |
| 7782130 | Bowtie deflector cavity for a linear beam device | Mark Frederick Kirshner, Richard Donald Kowalczyk | 2010-08-24 |
| 7688132 | Method and apparatus for RF input coupling for inductive output tubes and other emission gated devices | Mark Frederick Kirshner, Richard Donald Kowalczyk | 2010-03-30 |
| 7638946 | Apparatus and method for trajectory modulation of an electron beam | Mark Frederick Kirshner, Richard Donald Kowalczyk | 2009-12-29 |
| 7639785 | Compact scanned electron-beam x-ray source | Mark Frederick Kirshner, Richard Donald Kowalczyk | 2009-12-29 |