Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395123 | Laser imageable printing plate and substrate therefor | Howard A. Fromson, William J. Rozell | 2002-05-28 |
| 6283030 | Imaging a lithographic printing plate | Howard A. Fromson, Steven A. Rubin | 2001-09-04 |
| 6232031 | Positive-working, infrared-sensitive lithographic printing plate and method of imaging | Yijin Ren, William J. Rozell, Howard A. Fromson | 2001-05-15 |
| 6145565 | Laser imageable printing plate and substrate therefor | Howard A. Fromson, William J. Rozell | 2000-11-14 |
| 6014931 | Imaging a lithographic printing plate | Howard A. Fromson, Steven A. Rubin | 2000-01-18 |
| 5992322 | Waterless lithographic printing plate having a cyanoacrylate image | Howard A. Fromson, Steven A. Rubin | 1999-11-30 |
| 5750314 | Method for selectively imaging a lithographic printing plate | Howard A. Fromson, Steven A. Rubin | 1998-05-12 |
| 5738943 | Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes related thereto | Howard A. Fromson, Sean P. Evans, William J. Rozell | 1998-04-14 |
| 5738944 | Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes related threreto | Howard A. Fromson, Sean P. Evans, William J. Rozell | 1998-04-14 |
| 5736256 | Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes relating thereto | Howard A. Fromson, Sean P. Evans, William J. Rozell | 1998-04-07 |
| 5651871 | Process for graining and anodizing a metal plate | Howard A. Fromson, William J. Rozell | 1997-07-29 |
| 5254429 | Photopolymerizable coating composition and lithographic printing plate produced therefrom | Shek C. Hong, William J. Ryan | 1993-10-19 |
| 4865699 | Process and apparatus for anodizing aluminum | Howard A. Fromson | 1989-09-12 |
| 4731317 | Laser imagable lithographic printing plate with diazo resin | Howard A. Fromson | 1988-03-15 |
| 4507349 | Security medium and secure articles and methods of making same | Howard A. Fromson | 1985-03-26 |
| 4501810 | Lithographic printing plate with resin reinforced image and process | Howard A. Fromson | 1985-02-26 |
| 4451145 | Apparatus and process for making lithographic printing plate with reinforced image | Howard A. Fromson | 1984-05-29 |
| 4414315 | Process for making lithographic printing plate | Howard A. Fromson | 1983-11-08 |
| 4396284 | Apparatus for making lithographic printing plates | Howard A. Fromson | 1983-08-02 |
| 4391897 | Diazo lithographic printing plate developing process | Howard A. Fromson | 1983-07-05 |
| 4338007 | Apparatus and process for making lithographic printing plate with reinforced image | Howard A. Fromson | 1982-07-06 |
| 4334769 | Apparatus for making a lithographic printing plate with reinforced image | Howard A. Fromson | 1982-06-15 |
| 4285276 | Method for printing employing lithographic fountain dampening solution | Howard A. Fromson | 1981-08-25 |
| 4277555 | Aluminum lithographic plate with visible image and process | Howard A. Fromson | 1981-07-07 |
| 4201821 | Decorated anodized aluminum article | Howard A. Fromson | 1980-05-06 |