Number | Name | Date | Kind |
---|---|---|---|
3344631 | Suliteanu et al. | Oct 1967 | |
3490405 | Reader et al. | Jan 1970 | |
3696435 | Zucker | Oct 1972 | |
3762207 | Weiser | Oct 1973 | |
4021817 | Shibano et al. | May 1977 | |
4191604 | MacTurk | Mar 1980 | |
4236399 | Williams et al. | Dec 1980 | |
4352108 | Milne | Sep 1982 | |
4413500 | Myer | Nov 1983 |
Number | Date | Country |
---|---|---|
2850492 | May 1979 | DEX |
75306 | Jun 1980 | JPX |
Entry |
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"Double Parabolic Cylinder Pencil-Beam Antenna", Spencer et al. |
"The Open Cassearain Antenna: Part I, Electromagnetic Design and Analysis", Cook et al. |