Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755950 | Electrocoagulation printing method providing an image having enhanced optical density | — | 2004-06-29 |
| 6551481 | Electrocoagulation printing method and apparatus providing color juxtaposition | Guy Castegnier | 2003-04-22 |
| 6458261 | Electrocoagulation printing method and apparatus providing enhanced image resolution | Guy Castegnier | 2002-10-01 |
| 6288140 | Electrocoagulation printing ink | Normand Lepine | 2001-09-11 |
| 6249298 | Signal processing device for correcting pixel density in an electrocoagulation printing apparatus | Guy Castegnier, Pierre Castegnier, Charles Goyette | 2001-06-19 |
| 6224729 | Stainless steel anode for electrocoagulation printing | — | 2001-05-01 |
| 6210553 | Electrocoagulation printing method and apparatus providing enhanced image resolution | — | 2001-04-03 |
| 6184912 | Driver circuit for use in an electrocoagulation printing apparatus | Guy Castegnier, Pierre Castegnier, Charles Goyette | 2001-02-06 |
| 6090257 | Image revealing squeegee device for an electrocoagulation printing apparatus | Normand Davidson, Gilles Gadbois, Christian Laplante | 2000-07-18 |
| 6045674 | Intermittent electrocoagulation printing method and apparatus | — | 2000-04-04 |
| 5942094 | Printing head system for use in an electrocoagulation printing apparatus | Guy Castegnier, Pierre Castegnier, Charles Goyette | 1999-08-24 |
| 5928417 | Electrocoagulation printing ink | Normand Lepine | 1999-07-27 |
| 5928486 | Image revealing squeegee device for an electrocoagulation printing apparatus | Normand Davidson, Gilles Gadbois, Christian Laplante | 1999-07-27 |
| 5908541 | Multicolor electrocoagulation printing method and apparatus | — | 1999-06-01 |
| 5863402 | Method of preventing anode abrasion during electrocoagulation printing | Normand Lepine | 1999-01-26 |
| 5750593 | Stabilized electrocoagulation printing ink | Normand Lepine | 1998-05-12 |
| 5727462 | Multicolor dynamic printing method and apparatus | — | 1998-03-17 |
| 5693206 | Electrocoagulation printing apparatus | Normand Lepine, Gilles Gadbois, Christian Laplante | 1997-12-02 |
| 5690801 | Method of rendering an electrocoagulation printed image water-fast | — | 1997-11-25 |
| 5690802 | Method of increasing coagulation efficiency during electrocoagulation printing | — | 1997-11-25 |
| 5690803 | Method of enhancing transfer of coagulated colloid onto a substrate during electrocoagulation printing | — | 1997-11-25 |
| 5681436 | Method of preventing formation of undesirable background on electrocoagulation printed images | Normand Lepine | 1997-10-28 |
| 5538601 | Electrocoagulation printing and apparatus | — | 1996-07-23 |
| 5472744 | Method for coating a metallic substrate with an oily substance | Gilles Gadbois | 1995-12-05 |
| 5449392 | Apparatus for coating a metallic substrate with an oily substance | Gilles Gadbois | 1995-09-12 |