Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228091 | Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes | Dan A. Hays, Michael F. Zona, Joel A. Kubby | 2007-06-05 |
| 6975949 | Full width array scanning spectrophotometer | Lalit Keshav Mestha, Jagdish C. Tandon | 2005-12-13 |
| 6523928 | Method of treating a substrate employing a ballistic aerosol marking apparatus | Eric Peeters, Jaan Noolandi, Raj B. Apte, Philip D. Floyd, Jonathan A. Small +15 more | 2003-02-25 |
| 6511149 | Ballistic aerosol marking apparatus for marking a substrate | Eric Peeters, Jaan Noolandi, Raj B. Apte, Philip D. Floyd, Jonathan A. Small +9 more | 2003-01-28 |
| 6467862 | Cartridge for use in a ballistic aerosol marking apparatus | Eric Peeters, Jaan Noolandi, Raj B. Apte, Philip D. Floyd, Jonathan A. Small +9 more | 2002-10-22 |
| 6454384 | Method for marking with a liquid material using a ballistic aerosol marking apparatus | Eric Peeters, Jaan Noolandi, Raj B. Apte, Philip D. Floyd, Jonathan A. Small +11 more | 2002-09-24 |
| 6416157 | Method of marking a substrate employing a ballistic aerosol marking apparatus | Eric Peeters, Jaan Noolandi, Raj B. Apte, Philip D. Floyd, Jonathan A. Small +9 more | 2002-07-09 |
| 6340216 | Ballistic aerosol marking apparatus for treating a substrate | Eric Peeters, Jaan Noolandi, Raj B. Apte, Philip D. Floyd, Jonathan A. Small +15 more | 2002-01-22 |
| 6328409 | Ballistic aerosol making apparatus for marking with a liquid material | Eric Peeters, Jaan Noolandi, Raj B. Apte, Philip D. Floyd, Jonathan A. Small +11 more | 2001-12-11 |
| 5128723 | Scavengeless development system having toner deposited on a doner roller from a toner mover | Grace T. Brewington, Dan A. Hays, Raymond W. Stover, William H. Wayman | 1992-07-07 |
| 4972212 | Method and apparatus for controlling ion trajectory perturbations in ionographic devices | Oscar G. Hauser, Robert W. Anderson, Lawrence M. Hart, Raymond W. Stover, Frank C. Genovese | 1990-11-20 |
| 4965158 | Toner compositions with modified charge enhancing additives | Robert J. Gruber, Raymond A. Yourd, III, Paul C. Julien, John F. Knapp | 1990-10-23 |
| RE33172 | Process for magnetic image character recognition | Robert J. Gruber, John F. Knapp | 1990-02-27 |
| 4879199 | Process for preparing encapsulated color toner compositions | Robert J. Gruber, Raymond A. Yourd, III, Paul C. Julien, John F. Knapp | 1989-11-07 |
| 4868600 | Scavengeless development apparatus for use in highlight color imaging | Dan A. Hays, William H. Wayman | 1989-09-19 |
| 4724303 | Instant-on fuser | Robert G. Martin, Richard F. Koehler, Jr. | 1988-02-09 |
| 4695524 | Process for ultra high quality images with magnetic developer composition | John F. Knapp, Robert J. Gruber, Lawrence Floyd, Jr., Michael G. Swales | 1987-09-22 |
| 4609603 | Process for achieving consistent high quality images with magnetic developer composition | John F. Knapp, Robert J. Gruber, Lawrence Floyd, Jr. | 1986-09-02 |
| 4563086 | Copy quality monitoring for magnetic images | John F. Knapp, Robert J. Gruber | 1986-01-07 |
| 4556624 | Toner compositions with crosslinked resins and low molecular weight wax components | Robert J. Gruber, Ronald J. Koch, John F. Knapp | 1985-12-03 |
| 4517268 | Process for magnetic image character recognition | Robert J. Gruber, John F. Knapp | 1985-05-14 |
| 4505573 | Toner charging apparatus containing wear resistant coatings | Grace T. Brewington, Dan A. Hays, William H. Wayman | 1985-03-19 |
| 4497570 | Printing machine employing an operator replaceable interposition web and photoconductive member | Grace T. Brewington, Theodore Davidson, Richard F. Koehler, Jr., Robert G. Martin | 1985-02-05 |
| 4460672 | Positively charged electrostatic toner contains low molecular weight waxy material and pyridinium halide or organic sulfonate | Robert J. Gruber, Paul C. Julien, Ronald J. Koch | 1984-07-17 |
| 4457998 | Composition with uncrosslinked polymer contained in a crosslinked polymer network | Robert J. Gruber, Bernard Grushkin, Ronald J. Koch | 1984-07-03 |