Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606171 | Digitizing scanner | Jeffrey D. Renk, Mark R. Fernald, Calvin M. Winey | 2003-08-12 |
| 6023348 | Rotary image scanner capable of mounting drums of various diameters | Thomas W. Bosse, Mark W. Magee, Calvin M. Winey | 2000-02-08 |
| 5515182 | Rotary scanner | Richard A. Williams, Robert C. Howard, Michael Varanka, Mark W. Magee | 1996-05-07 |
| 5424537 | Calibrated color scanner | Roger A. Wendt, Calvin M. Winey | 1995-06-13 |
| 5313291 | Method for matching color prints to color images on a monitor screen | James J. Appel, John A. Durbin | 1994-05-17 |
| 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, David D. Hoesly, Joseph F. Stephany, Gary S. Schwarz | 1993-11-09 |
| 5237172 | Calibrated color scanner with reference level adjustment | Roger A. Wendt, Calvin M. Winey | 1993-08-17 |
| 5155541 | Single pass digital printer with black, white and 2-color capability | Robert P. Loce | 1992-10-13 |
| 5083159 | Process for initial alignment of document illuminator | Stephen C. Corona, George A. Charnitski, Charles J. Urso | 1992-01-21 |
| 5065185 | Multi-function detecting device for a document reproduction machine | Edward A. Powers, Charles J. Urso | 1991-11-12 |
| 4982233 | Method and apparatus for sensing contamination within an optical scanning system | James D. Rees | 1991-01-01 |
| 4967265 | Color correction system for an electrophotographic copying machine | James D. Rees, Kenneth R. Ossman | 1990-10-30 |
| 4868587 | Image halftoning system for printers | Robert P. Loce, Susan E. Feth, William L. Lama | 1989-09-19 |
| 4794422 | Electrophotographic reproduction machine with document exposure system directly coupled to ac line input | David K. Shogren, Thomas J. Hammond, Lawrence J. Mason | 1988-12-27 |
| 4576462 | Illumination system for an electrophotographic printing device | — | 1986-03-18 |
| 4571058 | Flash illumination and optical imaging system | — | 1986-02-18 |
| 4519703 | Document reproduction device utilizing a selective color illuminator | Roland W. Porth, Lawrence J. Mason | 1985-05-28 |
| 4518895 | Mechanism and method for controlling the temperature and output of a fluorescent lamp | — | 1985-05-21 |
| 4334767 | Flash exposure system | — | 1982-06-15 |
| 4272188 | Exposure compensation circuit for a copier | Stephen C. Corona | 1981-06-09 |
| 4227795 | Half-tone imaging system | Richard M. Bobbe, John A. Durbin, Frederick A. Seedhouse | 1980-10-14 |
| 4188213 | Color corrected printing system | — | 1980-02-12 |