Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497990 | Heat sensitive printing plate precursors | Simon Blanchard, John Michael Kitteridge, Philip John Watkiss | 2002-12-24 |
| 6294298 | Pigmented recording material having a backing coating for the production of offset printing plates | Steffen Denzinger, Michael Robert Doerr, Andreas Elsaesser, Guenther Hultzsch, Allen P. Gates | 2001-09-25 |
| 6187507 | Presensitized printing plates | Allen P. Gates, Jonathan Goodin, John Michael Kitteridge, Malcolm James Mallison, Philip John Watkiss | 2001-02-13 |
| 5129536 | Time actuated lockable food storage container | — | 1992-07-14 |