Number | Date | Country | Kind |
---|---|---|---|
79 10414 | Apr 1979 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
2716919 | Beard | Sep 1955 | |
3840695 | Fischer | Oct 1974 | |
4043636 | Eberhardt et al. | Aug 1977 |
Number | Date | Country |
---|---|---|
1285829 | FRX | |
2181010 | FRX | |
2317720 | FRX | |
2353920 | FRX | |
608165 | CHX | |
14721 OF | Jan 1913 | GBX |
118269 | Jan 1919 | GBX |
652694 | May 1951 | GBX |
662689 | Dec 1951 | GBX |
851217 | Oct 1960 | GBX |
Entry |
---|
IBM Technical Disclosure Bulletin, vol. 15, No. 8, Jan. 1973, pp. 2435-24 entitled "Combination Reflective/Transmissive Liquid Crystal Display". |