Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521722 | Image handling facilitating computer aided design and manufacture of documents | Robert H. Colvill, Derek R Lowther, Robert Shillito, Rosemary Trinder, Andrew Francis Wallis | 1996-05-28 |
| 5199744 | Security device | — | 1993-04-06 |