Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5130057 | Light polarizing materials and suspensions thereof | — | 1992-07-14 |
| 5093041 | Light-polarizing material based on ethylenediamine polyacetic acid derivatives | Joseph A. Check, III | 1992-03-03 |
| 5002701 | Light polarizing materials and suspensions thereof | — | 1991-03-26 |
| 4877313 | Light-polarizing materials and suspensions thereof | Robert Ian Thompson | 1989-10-31 |
| 4772103 | Light valve containing an improved suspension, and liquids therefor | — | 1988-09-20 |
| 4422963 | Light valve polarizing materials and suspensions thereof | Robert Ian Thompson | 1983-12-27 |
| 4407565 | Light valve suspension containing fluorocarbon liquid | — | 1983-10-04 |
| 4273422 | Light valve containing liquid suspension including polymer stabilizing system | — | 1981-06-16 |
| 4270841 | Light valve containing suspension of perhalide of alkaloid acid salt | — | 1981-06-02 |
| 4247175 | Light valve containing improved light valve suspension | — | 1981-01-27 |