Number | Date | Country | Kind |
---|---|---|---|
58-236725 | Dec 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2362034 | Stahl | Nov 1944 | |
3387214 | Meyer | Jun 1968 | |
3679829 | Hofmeister et al. | Jul 1972 | |
3783191 | Sugimoto et al. | Jan 1974 | |
4246613 | Choder et al. | Jan 1981 | |
4381421 | Coats et al. | Apr 1983 | |
4412255 | Kuhlman et al. | Oct 1983 | |
4468702 | Jandrell | Aug 1984 | |
4542026 | Bednazz et al. | Sep 1985 |
Number | Date | Country |
---|---|---|
0041061 | Mar 1980 | JPX |
Entry |
---|
"Electronic Liquid Window" Marks, pp. 31-35, 106; Apr. '69. |