Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501416 | Article identification apparatus and method | Paul M. Backhouse, Christopher P. Barrett, Marc Ivor John Beale | 2002-12-31 |
| 5678863 | High value documents | Malcolm Robert Murray Knight, Roland Isherwood, Sarah Anne Rocca, Craig Harvey Nelson | 1997-10-21 |
| 5303722 | Apparatus for bleaching hair under the influence of light | Thomas Clausen, Wolfgang Balzer | 1994-04-19 |
| 5246019 | Process for bleaching hair under the influence of light | Thomas Clausen, Wolfgang Balzer | 1993-09-21 |
| 4992385 | Polymer-coated optical structures and methods of making and using the same | — | 1991-02-12 |