Number | Name | Date | Kind |
---|---|---|---|
3928813 | Kingsford-Smith | Dec 1975 | |
4179670 | Kingsbury | Dec 1979 | |
4204174 | King | May 1980 | |
4609881 | Wells | Sep 1986 | |
4758802 | Jackson | Jul 1988 | |
4800342 | Jackson | Jan 1989 | |
4810977 | Flugstad et al. | Mar 1989 | |
4815018 | Reinhardt et al. | Mar 1989 | |
4816774 | Martin | Mar 1989 |
Number | Date | Country |
---|---|---|
2091960 | Aug 1982 | GBX |
Entry |
---|
Brewerton et al., "Defining the Elements of Good Design", Microwaves and RF, Jun. 1984, pp. 79-85, 124. |