Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867876 | Optical article having directional micro- or nanostructured thin film coating, and its process | William TROTTIER-LAPOINTE, Bruce Faure, Richard Vernhes, Oleg Zabeida, Ludvik Martinu +3 more | 2024-01-09 |
| 11753712 | Durable electrochromic device including tungsten oxide film prepared in high ion bombardment and low pressure deposition environment, and/or methods of making the same | Francis Blanchard, Ludvik Martinu | 2023-09-12 |
| 11072558 | Glass, glass-ceramic and ceramic articles with protective coatings having hardness and toughness | Robert Alan Bellman, Shandon Dee Hart, Karl William Koch, III, Carlo Anthony Kosik Williams, Ludvik Martinu +3 more | 2021-07-27 |
| 10288787 | Interference security image structure | Ludvik Martinu | 2019-05-14 |
| 10011140 | Metameric security devices using an active material | Ludvik Martinu | 2018-07-03 |
| 8064632 | Interference security image structure | Ludvik Martinu | 2011-11-22 |