Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6906865 | Light altering device | — | 2005-06-14 |
| 6906864 | Light altering device | — | 2005-06-14 |
| 6898016 | Light altering device | — | 2005-05-24 |
| 6898017 | Light altering device | — | 2005-05-24 |
| 6842291 | Light altering device | — | 2005-01-11 |
| 6833962 | Light altering device | — | 2004-12-21 |
| 6127775 | Ionic display with grid focusing | — | 2000-10-03 |
| 5841457 | Ion stream splitting and pre-focusing | — | 1998-11-24 |
| 5742051 | Micro sized ion generating device | — | 1998-04-21 |
| 5729810 | Overcoated transfer roller for transferring developed images from one surface to another | Amy M. Opela | 1998-03-17 |
| 5723863 | Ion charging apparatus with light blocking capability | — | 1998-03-03 |
| 5706162 | Corona generating device | Robert W. Gundlach | 1998-01-06 |
| 5666601 | Resistive ion source charging device | Frank C. Genovese | 1997-09-09 |
| 5659176 | Scanning corotron | Ronald E. Godlove | 1997-08-19 |
| 5655186 | Light blocking ion charging apparatus | Ronald E. Godlove, Robert W. Gundlach | 1997-08-05 |
| 5655184 | Ionographic printing with improved ion source | — | 1997-08-05 |
| 5617129 | Ionographic printing with a focused ion stream controllable in two dimensions | Joseph A. Chizuk, Jr., Robert W. Gundlach | 1997-04-01 |
| 5587584 | Apparatus for charging a film on the internal surface of a drum | — | 1996-12-24 |
| 5572296 | Color printing system employing non-interactive development | Christopher Snelling, Robert W. Gundlach, Dale R. Mashtare | 1996-11-05 |
| 5563688 | Charging device for charging in one of a plurality of predefined image areas on a surface of an imaging member | Robert W. Gundlach | 1996-10-08 |
| 5450115 | Apparatus for ionographic printing with a focused ion stream | Robert W. Gundlach, Remo J. D'Ortenzio, Peter A. Crean, Joseph A. Chizuk, Jr. | 1995-09-12 |
| 5257045 | Ionographic printing with a focused ion stream | Joseph A. Chizuk, Jr., Robert W. Gundlach | 1993-10-26 |
| 5105223 | Screened blade scorotron | — | 1992-04-14 |
| 5083145 | Non-arcing blade printer | Robert W. Gundlach | 1992-01-21 |
| 5075703 | Ribbon coronode | — | 1991-12-24 |