Number | Date | Country | Kind |
---|---|---|---|
94 02292 | Feb 1994 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
2473860 | Cartun | Jun 1949 | |
2491735 | Howes | Dec 1949 | |
3239130 | Naundorf, Jr. | Jul 1963 | |
3313610 | Wilson et al. | Apr 1967 | |
4395244 | Glaser | Jul 1983 | |
4820225 | Thompson-Russell et al. | Apr 1989 | |
4926092 | Gibson, III et al. | May 1990 |
Number | Date | Country |
---|---|---|
857239 | Nov 1952 | DEX |
Entry |
---|
IBM Technical Disclosure Bulletin, vol. 17, No. 1, Jun. 1974 pp. 284-285, J. B. Landermann et al. "gas display panel". |