Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7495740 | Birefringent marking | John Patrick, Rodney Riddle, Matthias Kuntz, Michael Ukelis, Peter Schmitt +1 more | 2009-02-24 |
| 7344762 | Printable liquid crystal material | John Patrick, Rodney Riddle | 2008-03-18 |
| 7297292 | Flakes comprising non-chiral liquid crystal material | Rodney Riddle, John Patrick | 2007-11-20 |
| 7083834 | Method of preparing an anisotropic polymer film on a substrate with a structured surface | Matthias Kuntz, John Patrick, Guy Gregory, Tony Bleasdale, Rodney Riddle +2 more | 2006-08-01 |
| 7081282 | Optically variable marking | Matthias Kuntz, Reiner Delp, Rodney Riddle, John Patrick | 2006-07-25 |
| 7041233 | Method of generating a 3-dimensional effect | Matthias Kuntz, Rodney Riddle, John Patrick | 2006-05-09 |
| 7033653 | Birefringent marking | Matthias Kuntz, Rodney Riddle, John Patrick, Donald Gordon Graham | 2006-04-25 |
| 6953611 | Anisotropic polymer film | John Patrick, Alison Linda May | 2005-10-11 |
| 6924861 | Birefringement film containing liquid crystal material having multi domains with splayed structure | John Patrick, Donald Gordon Graham | 2005-08-02 |
| 6660345 | Thermochromic liquid crystalline medium | David Coates, David I. Bishop | 2003-12-09 |