Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694224 | Method and apparatus for tone adjustment correction on rendering gray level image data | — | 1997-12-02 |
| 5689588 | Method and apparatus for increasing compressibility of multibit image data with the LSB value determined in the thresholding operation based on pixel position | Gregory Rombola, Thomas J. Wetzel | 1997-11-18 |
| 5625460 | Method and apparatus for locally switching gray dot types to reproduce an image with gray level printing | — | 1997-04-29 |