Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686948 | Method for refilling ink jet cartridges | Raymond Geffre, Sven Karlsson | 1997-11-11 |
| 5662734 | Ink compositions having improved optical density characteristics | — | 1997-09-02 |
| 5572852 | Method for opening, refilling and sealing a cartridge | Sven Karlsson | 1996-11-12 |
| 5488400 | Method for refilling ink jet cartridges | Raymond Geffre, Sven Karlsson | 1996-01-30 |
| 5400573 | Kit and method for opening, refilling and sealing a cartridge | Sven Karlsson | 1995-03-28 |
| 5364462 | Waterfast inks | Raymond Geffre | 1994-11-15 |
| 5176974 | Imaging apparatuses and processes | Henry R. Till, Harold M. Anderson, Gerald A. Domoto, Aron Sereny, Joseph M. Crowley +5 more | 1993-01-05 |
| 5172131 | Thermal transfer printing processes with multi-use transfer elements | Robert W. Gundlach | 1992-12-15 |
| 5072234 | Thermal transfer printing elements with mesomorphic inks | Hardy Sonnenberg | 1991-12-10 |
| 5045865 | Magnetically and electrostatically assisted thermal transfer printing processes | Hardy Sonnenberg | 1991-09-03 |
| 4803119 | Ink compositions for impact typewriter ribbons | James M. Duff, Stephan V. Drappel, James D. Mayo | 1989-02-07 |
| 4737043 | Impact mechanism for quiet impact printer | Andrew Gabor, John C. Dunfield, George W. Bowers | 1988-04-12 |
| 4686900 | Impact printer with application of oblique print force | Andrew Gabor | 1987-08-18 |
| 4678355 | Print tip contact sensor for quiet impact printer | Andrew Gabor, John C. Dunfield, George W. Bowers | 1987-07-07 |
| 4673305 | Printwheel for use in a serial printer | — | 1987-06-16 |
| 4425045 | Print wheel for use with an alignment print hammer | — | 1984-01-10 |
| 4327639 | Print hammer assembly with multi-location impacts | Andrew Gabor, Enrique J. Klein | 1982-05-04 |