Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422301 | Method and apparatus using pixel spot size control for reducing intercolor bleed | Gary A. Kneezel, Thomas P. Courtney, Richard V. LaDonna, Juan J. Becerra | 2008-09-09 |
| 5881451 | Sensing the temperature of a printhead in an ink jet printer | Gary A. Kneezel, Joseph J. Wysocki, Thomas P. Courtney, Juan J. Becerra, Thomas E. Watrobski +1 more | 1999-03-16 |
| 5745131 | Gray scale ink jet printer | Gary A. Kneezel, William R. Burger, Steven J. Harrington, Dale R. Ims | 1998-04-28 |
| 5739830 | Monolithic printheads for ink jet printing apparatus | Peter J. John, Joseph J. Wysocki, Richard V. LaDonna, Thomas E. Watrobski, Gary A. Kneezel +1 more | 1998-04-14 |
| 5731824 | Ink level sensing system for an ink jet printer | Gary A. Kneezel, William R. Burger | 1998-03-24 |
| 5682184 | System for sensing ink level and type of ink for an ink jet printer | Gary A. Kneezel, John H. Slowik | 1997-10-28 |
| 5563635 | Power control system for a thermal ink-jet printer | Gary A. Kneezel, Richard V. LaDonna, Thomas E. Watrobski, Michael Poleshuk, Joseph J. Wysocki +1 more | 1996-10-08 |
| 5519417 | Power control system for a printer | Juan J. Becerra, Peter J. John, Gary A. Kneezel, Richard V. LaDonna, Thomas E. Watrobski +1 more | 1996-05-21 |
| 5519419 | Calibration system for a thermal ink-jet printer | Gary A. Kneezel, Richard V. LaDonna, Thomas E. Watrobski, Joseph J. Wysocki, James Eaton | 1996-05-21 |
| 5504507 | Electronically readable performance data on a thermal ink jet printhead chip | Thomas E. Watrobski, Joseph J. Wysocki, Thomas A. Tellier, Michael Poleshuk, Gary A. Kneezel +1 more | 1996-04-02 |
| 5497174 | Voltage drop correction for ink jet printer | Juan J. Becerra, Thomas P. Courtney, Gary A. Kneezel, Richard V. LaDonna, Peter J. John +2 more | 1996-03-05 |
| 5483265 | Minimization of missing droplets in a thermal ink jet printer by drop volume control | Gary A. Kneezel, Joseph J. Wysocki, Thomas E. Watrobski, Richard V. LaDonna, Dale R. Ims +2 more | 1996-01-09 |
| 5422665 | Low-interference thermistor for a thermal ink jet printhead chip | Richard V. LaDonna, Gary A. Kneezel, Michael Poleshuk, Thomas A. Tellier, Thomas E. Watrobski +1 more | 1995-06-06 |
| 5422664 | Method and apparatus for maintaining constant drop size mass in thermal ink jet printers | — | 1995-06-06 |
| 5331140 | Code reading systems | — | 1994-07-19 |
| 5260718 | Liquid crystal shutter xerographic printer with offset configuration lamp aperture and copier/printer with optically aligned lamps, image bars, and lenses | Heiko Rommelmann, James D. Rees, Richard F. Lehman, David D. Hoesly, Gary S. Schwarz | 1993-11-09 |
| 5233366 | Half-tone printing with thermal ink jet using random spot distribution in one dimension | — | 1993-08-03 |
| 5223853 | Electronic spot size control in a thermal ink jet printer | Joseph J. Wysocki, William G. Hawkins, Gary A. Kneezel, Richard V. LaDonna, Thomas A. Tellier +1 more | 1993-06-29 |
| 5193011 | Method and apparatus for producing variable width pulses to produce an image having gray levels | Gary A. Dir, Fred W. Schmidlin, John Sotack | 1993-03-09 |
| 5177475 | Control of liquid crystal devices | Joseph J. Wysocki, Sui K. Hark, Virgil Joseph Hull | 1993-01-05 |
| 5111320 | Ferrolectric liquid crystal devices having improved operating properties by using an electronic mask | Joseph J. Wysocki, Sui K. Hark, Virgil Joseph Hull, Andras I. Lakatos, Ram S. Narang | 1992-05-05 |
| 4949950 | Electrostatic sheet transport | — | 1990-08-21 |
| 4830468 | Liquid crystal print bar having a single backplane electrode | Andras I. Lakatos, Virgil Joseph Hull, Alain E. Perregaux | 1989-05-16 |
| 4783146 | Liquid crystal print bar | Andras I. Lakatos, Virgil Joseph Hull, Alain E. Perregaux | 1988-11-08 |
| 4728972 | Multiplexing of transient image bar | Virgil Joseph Hull, Eugene C. Faucz, Alain E. Perregaux | 1988-03-01 |