Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490286 | Photochromic and/or cathodochromic sodalite material, method of its preparation, and sensing element of a variable light transmission device manufactured from such material | Vladimir Demidenko, Roman Denisov, Viktor P. Denx, Alexandr E. Dydelzak, Engels N. Ryzhikov +1 more | 1984-12-25 |